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Analyzing Jeon Jihee’s Evolving Service Strategy Against Mima Ito

As a medal contender at the Tokyo Olympics, Jeon Jihee has a chance to make Korean Olympic table tennis history this summer. The most recent Olympic singles medals for South Korea are Kim Kyung-ah’s bronze medal in the 2004 women’s singles event and Ryu Seungmin’s famous gold medal in the 2004 men’s singles event. No woman from South Korea has ever reached the finals in the singles event. Similarly, the last time South Korea won a medal in the women’s team event was in 2008, and South Korea has never reached the finals in the team event.

Jeon Jihee has a puncher’s chance at accomplishing all of these things, but there is one player who consistently stands in her way to Olympic glory: Mima Ito.

Jeon’s Path To Olympic Glory

The Path to a Singles Medal

In the women’s singles event, there are roughly three tiers of medal contenders. In the first tier are the two yet-to-be-named Chinese women, who will be heavy favorites regardless of their seedings (although both will likely be top three seeds). In the second tier is second seed Mima Ito, who is quite widely acknowledged as the single most dominant threat to Chinese supremacy in the women’s events. In the third tier are seeds four through eight, which in order of projected Olympic seeding are Cheng I-Ching, Feng Tianwei, Kasumi Ishikawa, Jeon Jihee, and Doo Hoi Kem.

Let us first make the somewhat reasonable assumption that nobody in the third tier is able to pull off what would be a historically unprecedented upset against either of the Chinese women (although a historic upset is always possible and Jeon has beaten Chen Meng before in T2). Jeon’s viable path to an Olympic singles medal without having to defeat a Chinese player is as follows.

As a top-eight seed, Jeon is guaranteed not to play anybody higher ranked than her until at least the quarter-finals. In order for her to have the best chance to medal, she has to hope that she can avoid the Chinese players in the quarter-finals by drawing either Ito or the fourth seed. If Jeon is able to upset both the fourth seed and Mima Ito in some order, then she wins at least a bronze medal.

While it is unclear how the Olympic seeding rules work out this year, there is a chance that the two Chinese players may end up on the same half of the draw, in which case if Jeon defeats the fourth seed and Ito, then she will reach the Olympic finals.

The Path to Team Glory

With Jeon’s presence and the rise of teenager Shin Yubin, who notched impressive wins over Miu Hirano and Miyuu Kihara at WTT Doha and steamrolled the domestic competition at the Korean Olympic trials, Team Korea looks to be at the very least a bronze-medal contender and arguably the bronze-medal favorite in Tokyo. However, Korea appears to have loftier expectations.

In a press conference on March 15 (English translation on TTD), Korean table tennis legends Ryu Seungmin and Kim Taeksoo said that they believe that Korea has a solid chance at upsetting Japan and taking the silver medal (Kim also believes that only Japan can reasonably challenge China) at the Olympics. This is a bold proclamation as Japan’s lowest ranked player, Hirano, is higher ranked than Korea’s highest ranked player, Jeon. However, Korea has pointed to recent encouraging signs in their favor, particularly Shin’s win over Hirano and Shin/Jeon’s doubles win over Hirano/Ishikawa at WTT Doha.

Korea is likely closely monitoring the progress of Choi Hyojoo and Shin Yubin before making any final lineup decisions. However, from their remarks, Ryu and Kim seem to be signaling that Jeon and Shin will be playing the doubles match and that Shin will be playing singles against Hirano or Ishikawa. 

If that is the case, then Choi will play a singles match against Ito, who Choi came close to beating at the 2019 World Team Cup, and Japan’s choice of Hirano or Ishikawa, and Jeon will play Ito in a critical singles match should the two countries meet in the semi-finals.

Given that Jeon’s finals aspirations in both the team event and singles event likely run through Mima Ito, should Jeon spend the next few months hyper-focused on Ito similar to the way that China appears to be?

What are Jeon Jihee’s chances of pulling off the wins that she needs?

Jeon appears to have reasonable chances of upsetting the fourth seed in the women’s singles event (who will likely be Cheng I-Ching, Feng Tianwei, or Kasumi Ishikawa). Since 2018, Jeon is 4-3 against Cheng, 2-3 against Feng, and has not played Ishikawa in international competition. As we saw in WTT Doha, there is also a sizable chance that the fourth seed is not even able to make it to the quarter-finals.

On the other hand, we also saw in WTT Doha that Mima Ito appears to arguably be heads and shoulders above the rest of the non-Chinese competition, including Jeon. Since 2018, Jeon is 0-4 against Ito, including two 4-1 losses since the pandemic. Jeon will almost certainly walk into Tokyo as an underdog against Ito.

Although Jeon has had an underwhelming history against Ito over the last couple of years, their last two matches have been closer than the 4-1 scores may indicate. Out of the eight games that Jeon has lost to Ito in the last several months, three have been heart-breaking deuces.

First, at the 2020 World Cup last November, Jeon was up 10-7 and then failed to convert on four game points in a row to lose 13-11. Then at WTT Doha in March, Jeon lost a deuce 17-15 after Ito got a critical net ball at 15-15 in the second game. In the fifth game, Jeon was again up 10-7 lead and lost six game points in a row, resulting in a 15-13 loss.

Given the closeness of some of these games, even marginal targeted adjustments against Ito may be enough for Jeon to tilt the game more in her favor and pull off the upset in Tokyo.

The Story of Jeon Jihee’s Service Strategy Against Mima Ito

Mima Ito’s Domination on the Serve Return

One adjustment to her game that Jeon has already made and may continue to make against Ito is in the service. Shown below are the last four game points that Jeon failed to convert in game five against Ito at WTT Doha as well as the only match point that Ito needed to win the match.

Over the course of five consecutive critical service returns, Ito manages to receive every serve with the short pips on her backhand and does whatever she wants to them to create an advantage for herself on the next shot. She lands three chiquitas of varying side spin, a fast straight backhand flick, and a strawberry flick.

Why is Ito able to so freely create whatever she wants when receiving the short ball? Part of the reason may be that she does not fully respect the threat of Jeon’s long fast serve to the backhand, which allows Ito to fully focus on being creative with the short receive. Can we quantify how concerned Ito is about the long serve to the backhand and by extension how little attention she can devote to the receive on the short forehand corner?

One rough proxy is the number of times she receives a long fast serve with her forehand. When Ito receives too many long fast serves to the backhand and feels like she is unable to create an advantage on them, she tends to step around and open using her forehand. If Ito has to plan to open her stance for a forehand loop and additionally move left if she’s stepping around, then in principle it should become more difficult for her to move into the table to the short forehand corner to receive a serve with the pips on her backhand.

In Ito’s 4-3 win against Hina Hayata at the All Japan National Championships in January, Ito attempted to receive 13 long serves with her forehand (note this number also includes Hayata’s long serves to Ito’s forehand). In her 4-2 win against Hayata at WTT Doha, that number was 16. In her 4-3 loss to Kasumi Ishikawa at the All Japan National Championships, that number was 5. What about in her 4-1 win over Jeon Jihee at the World Cup last November? Zero.

Jeon raised that number to three in Doha. Let us take a look at the adjustment she made to cause this change, and whether she should further adapt her service game specifically for Mima Ito like other top lefties appear to do.

How Other Left-Handed Stars Serve Against Mima Ito

Jeon may have already started to adapt her service pattern to be more in line with several other left-handed players who are strongly motivated to optimize their games against Ito: Hina Hayata, Kasumi Ishikawa, and Ding Ning. Hayata and Ishikawa should be deeply familiar with Ito since they compete with her for domestic as well as international titles. Ding Ning, along with the rest of China, is likely also hyper-focused on Ito as she is the single biggest threat to Chinese supremacy.

We show selected points in some of their matches against Ito in the past year. Note that these are all very important points in the match. For Hayata and Ishikawa, these are their last few serves in a seven-game thriller. For Ding, these are her last three serves in a 14-12 win during a pivotal third game.

Several things stand out. First, all three of them are willing to challenge Ito on the long serve, even if it means letting Ito step around for a forehand opening. Second, Ito doesn’t do anything too fancy against them when they do serve short. Third, when serving they all stand inside close to the middle of the table (as opposed to the more common position of standing behind the corner), which appears to give them the flexibility to execute serves short to the wide forehand or long to the wide backhand.

Hayata and Ding can go full games serving entirely behind the corner, even at 9-9, but they do serve from inside the table throughout the match, and it says something that when they need points the most, they opt to serve from inside the table. Moreover, while Hayata likes to serve from inside the table against everyone, Ding and Ishikawa are quite clearly serving more often from inside the table specifically because they are playing Ito.

To get a rough idea of how heavily Ishikawa changed her service game for Ito in the All Japan National Championships, consider the following numbers. In Ishikawa’s 4-3 win over Ito in the finals, Ishikawa served from inside the table 85 percent of the time. However, in her 4-2 win over Miyuu Kihara in the semi-finals, Ishikawa served from inside the table only 21 percent of the time.

In Jeon’s loss to Ito at the World Cup, Jeon didn’t serve from the inside the table even once. This is in line with her and Ding Ning’s typical service pattern: almost always serve from behind the corner and possibly break out a different serve from inside the table to introduce some surprises during critical points.

However, at least Ding and Ishikawa have both apparently decided that such a service pattern is sub-optimal against Mima Ito. Jeon seems to have arrived at a similar conclusion as she heavily integrated more serves from inside the table at WTT Doha.

How Jeon Jihee Changed Her Serves At WTT Doha

Jeon Jihee notably started serving from inside the table against Mima Ito at WTT Doha in the second halves of Games 2, 3, and 5 after never doing so in the World Cup (she did, however, serve at least once from the center of the table in her 3-1 loss to Ito at T2 in 2019).

We caught glimpses of the potential advantages of using this serve. In the clip below, we see Jeon take a pair of points at 9-9 in the third game off two fast long serves to the backhand. Ito can only give a standard backhand flick return that is not particularly fast due to the short pips, which Jeon can take advantage of.

However, this serve is not a silver bullet to cure all of Jeon’s woes against Ito. Due to a combination of Ito’s brilliance and Jeon’s possible lack of familiarity with her own serve, some of Ito’s returns against this serve seemed to really catch Jeon by surprise. Jeon also may have signaled more information than she would like with her service stance; she was far more likely to serve fast and long to the backhand when standing inside the table. She can remedy this by serving to the short forehand from inside the table more often.

Jeon also almost certainly feels more comfortable with her usual serve from behind the corner. While she can surely execute her serve from inside the table perfectly during training, can she do it repeatedly when the pressure is on?

As seen in the first video clip in this post, to close out the match Jeon reverted to her normal serve from behind the corner even though Ito was having her way with them. Was this a tactical decision or was it because Jeon lost confidence in her ability to execute the serve well? Jeon did serve a long fast serve to the backhand from inside the table at 12-11, but Ito seemed to easily take advantage of it since the serve was predictable and/or not executed well.

It remains to be seen whether Jeon further integrates this serve into her matches against Ito in the future. At Doha, she only used this serve in the second half of a game and only if the score was within two or three points. This is roughly on par with (although possibly slightly less than) how often Hayata and Ding use this serve against Ito. Does Jeon want to fully adapt Ishikawa’s strategy in All Japan and essentially make this her default serve?

How Much Does Jeon Jihee Want Mima Ito To Step Around?

Counting the number of times Mima Ito receives a long serve with the forehand is always an interesting exercise. As mentioned earlier, the upside of Ito stepping around is that it means she can devote less attention to the short forehand corner. The downside is that it allows her to open with an aggressive shot.

However, a step around forehand from Ito may not be as scary as it sounds. Sure, if Ito knows exactly where the ball is going and has time to prepare, she can pretty much score an immediate winner with a fast wide smash to either corner. However, when she is on the move, not completely in position, and hitting it from a wide angle on her backhand corner, it is extremely difficult to go hard straight down the line to the left-handed server’s backhand.

The points shown below are quite illustrative of the risks and rewards of Mima Ito stepping around for the forehand opening on the serve return.

In the first point, Ito is only able to make a soft and somewhat predictable cross-court shot to Jeon’s forehand, and Jeon lands the strong counter-loop. In the second point, Ishikawa is waiting for the forehand counter, but Ito manages to get in position and land a smash to her elbow for the instant kill. In the third point, Ito prepares to step around, but Ishikawa serves short to the forehand, so Ito can only push with the forehand. Ishikawa loses the point, but she gets a desirable serve return from Ito.

No set formula exists for how often the opponent should want Ito to step around and take the forehand serve return opening. Even Ito probably does not know the optimal number. Hayata, Ding, Ishikawa, and Jeon (listed in order of willingness to challenge Ito’s long opening attack) have all tried various service strategies with varying degrees of success.

So far Ding has had the most success against Ito, but that can also be heavily attributed to the fact that she is Ding Ning. Meanwhile, Jeon has so far been the most conservative with the worst results (granted there are many other factors that account for her results), and it remains to be seen whether she will further adapt her strategy going forward.

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Unfortunately, ITTF has killed ITTV, meaning that past matches are no longer publicly available to watch. Hence, no blog posts are scheduled for the immediate future. You can check out past analysis posts here.

WTT Doha 2021 Preview Part 3: Women’s Singles seeds 5 THROUGH 8

This post is the third post in a series of posts previewing the 2021 World Table Tennis (WTT) Middle East Hub (also known as the Qatar Open or WTT Doha) coming March 3-13. Our previous post covered two X-factors in the tournament: Lily Zhang in the women’s singles and An Jaehyun in the men’s singles. An X-factor is a young, exciting but lower ranked player who has the potential to upset some higher ranked players in the tournament and make a deep run. A summary of all of Edges and Nets’ coverage of WTT Doha can be found here.

The full list of players set to play at WTT Doha appears to now be set in stone. In today’s post we take a closer look at seeds five through eight in the women’s singles event (Jeon Jihee, Feng Tianwei, Miu Hirano, and Kasumi Ishikawa) at WTT Doha, how they’ve played since the ITTF restart after the pandemic, what is at stake for them at Qatar, and their potential quarterfinal match-ups. The players in the top 20 of the world rankings who will participate in the WTT Star Contender event (the second one scheduled from March 8-13) are:

SeedNameWorld Rank
1Sun Yingsha2
2Mima Ito3
3Liu Shiwen7
4Cheng I-Ching8
5Kasumi Ishikawa9
6Miu Hirano11
7Feng Tianwei12
8Jeon Jihee15
9Sofia Polcanova16
10Adriana Diaz18
11Petrissa Solja19

Out of these eleven, everyone but Jeon Jihee, Sofia Polcanova, and Petrissa Solja will also play the WTT Contenders (the first one scheduled from March 3-6) tournament.

8th Seed Jeon Jihee

As we will discuss shortly, Jeon’s quarterfinal match will likely have minimal seeding implications for Tokyo. However, this tournament will still be an important milestone in her campaign for an Olympic medal. If the Olympics were held today, Cheng, Ito, and (if selected to the Chinese team) Sun and Liu would also be among the top four seeds at the Tokyo Olympics, so Jeon’s quarterfinal match in Qatar will also be a potential Olympic quarterfinal preview.

Jeon has never played Cheng in ITTF competition, and winning a matchup in Qatar in what would likely be their only encounter in an ITTF event before the Olympics would give Jeon the mental edge in Tokyo. Jeon has lost to Sun all three times they have played in international competition, most recently at the 2020 World Finals. In their 2020 matchup, Sun largely dominated Jeon’s shots to Sun’s elbow with crisp blocks and hard step around forehand counters. In a future matchup with Sun, in order to have a chance Jeon likely needs to either figure out a way to bother Sun more at the elbow (which foreign players largely struggle to do against Chinese player) or more consistently hit in difficult wide-angle winners like in the point below.

Jeon has played Ito in two four out of sevens in international competition and lost both times, including a recent 4-1 loss post-pandemic at the 2020 World Cup. However, the match was closer than the score may indicate, especially when considering that Jeon struggled quite heavily with returning Ito’s serves. Jeon may be hoping to get another chance to figure out Ito’s serves before a potential quarterfinal match-up in Tokyo. Hence, Edges and Nets would consider Ito to be the most exciting quarterfinal opponent for Jeon.

Jeon is currently ranked #15 in the world, and if the Olympics were held today, she would be the eighth seed (behind the two unconfirmed Chinese players, Mima Ito, Cheng I-Ching, Kasumi Ishikawa, Feng Tianwei, and Doo Hoi Kem). Jeon can pass Doo in the world rankings by reaching the semi-finals, but for the purposes of Olympic seeding it would not make much of a difference as seeds five through eight are typically treated equivalently.

More important for Jeon is to avoid being passed by Sofia Polcanova and falling out of the top eight for Tokyo; this should be a low bar for Jeon to clear as even if she suffers a relatively big upset in the round of 32 and Polcanova outperforms her seeding and reaches the quarterfinals, Jeon will still maintain a slim lead in the world rankings come April. Even if Polcanova makes a deep run to the semifinals, a quarterfinal finish by Jeon, meaning that she played to her seeding, will be enough to keep her just ahead of Polcanova in the April rankings.

7th Seed Feng Tianwei

Feng Tianwei’s post-pandemic performance has been relatively disappointing so far, being upset by Lily Zhang (WR #30) in the world cup (whom Feng later beat at WTT Macau) and Petrissa Solja in the Grand Finals. At age 34, Feng has slowed down a bit even compared to a couple years ago and had trouble keeping up with Zhang in the faster and longer rallies at the world cup. However, as arguably the greatest non-Chinese player over the last decade, her mind still remains sharp as she can still win shorter points by hitting sharp angles to where the opponent is not expecting or able to reach.

Feng currently holds a world ranking of 12 and would be the sixth seed if the Tokyo Olympics were held today. The stakes for Feng are similar to those for Jeon: Feng is almost certainly locked into a fifth to eighth seed in Tokyo, but despite the lack of stakes with regards to seeding, WTT Doha will provide Feng with perhaps her final look at Sun, Ito, Liu, or Cheng before potentially facing one of them in the quarterfinals in what will likely be Feng’s final Olympic games. This would be particularly valuable for Feng since she did not get to play any of these top seeds in international competition since the post-pandemic restart due to her upsets against Zhang and Solja.

Feng’s upset over Liu Shiwen more than ten years ago at the 2010 World Team Championships remains arguably the most iconic moment of Feng’s career, and it would be fun to see a vintage rematch between Feng and Liu for old time’s sake. The two have not played each other since the Korean Open five years ago, which Liu won 4-1. Hence, Edges and Nets would consider Liu to be the most interesting quarterfinal opponent for Feng.

6th Seed Miu Hirano

Hirano has had a rough last couple of years, including losses to Hina Hayata (WR #29), Lily Zhang (WR #30), and Han Ying (WR #22). She did not participate in either the post-pandemic World Tour Finals or the World Cup in the Fall of 2020. Fans caught a brief glimpse of Hirano in the 2021 Japanese national championships this January, but she lost 4-0 to Miyuu Kihara (WR #49) in the round of 16.

Hirano is the highest ranked player in this tournament who is confirmed to not play in the Olympic singles in Tokyo (although Liu Shiwen or Sun Yinghsa may eventually join this list). However, Hirano will be playing for Japan in the team event, in which China and Japan are expected to meet in the finals barring a herculean performance from a star from a third country.

If China sends the same squad to Tokyo that they did to the 2019 World Team Cup, a quarter-final between Hirano and Liu could be both a rematch of Liu’s dominant 3-0 win over Hirano at the 2019 World Team Cup and a potential preview of the Olympic team finals. Although Liu appeared to handle everything Hirano threw at her in their match at the 2019 World Team Cup, Hirano showed a brief flash of competitiveness in the second game and will likely hope to maintain that performance through five games in Qatar (recall quarterfinal matches will be three out of fives).

Another potentially more interesting quarterfinal match-up for Hirano would be with Sun Yingsha. This would also be a potential preview for the Olympic finals in the team event, and if Hirano plays the role of spoiler and defeats Sun in the quarterfinals, she may end up providing the difference needed for her national teammate Mima Ito to take the number two spot both in the world rankings and in Olympic seeding. Also keeping things interesting is that Sun and Hirano have never played each other in any international women’s event (though Sun has previously beaten Hirano in junior competition). Hence, Edges and Nets would consider Sun to be the most interesting quarterfinal opponent for Hirano.

If Hirano faces Cheng I-Ching in the quarterfinals and pulls off an upset, that would also help her teammate Kasumi Ishikawa in the race for the fourth seed in the Olympic women’s singles event. However, it would likely be more compelling both for the fans and for Ishikawa if Ishikawa herself gets the chance to face off against Cheng in the quarterfinals.

Even if Hirano is unable to pull off an upset in the quarterfinals, Qatar provides her with a chance to break her string of recent losses to lower ranked players, and if she avoids being upset and bows out in the quarterfinals in both events, she will still be able to reestablish herself as a top ten player in the April world rankings.

5th Seed Kasumi Ishikawa

Ishikawa had mediocre results in the Fall of 2020 after the pandemic restart. She split a pair of matches with Suh Hyowon (WR #21) in the world cup and grand finals and then was slaughtered by Sun Yingsha at the world cup. Similar to the case with Jeon, it looked like Ishikawa’s shots to the body barely bothered Sun, and she needed difficult wide angle winners to score points.

2021 has started better for Ishikawa as she defeated Mima Ito to win the Japanese National Championship for the first time in five years. Ito was actually leading 3-1, but Ishikawa played incredibly well to stage the comeback, countering many of Ito’s signature fast smashes back with good speed and placement as seen in the first two points of game 7 (shown below).

Ishikawa is within striking distance of Cheng I-Ching on the world rankings list; by April, the 2020 ranking points will be weighted such that Ishikawa will trail Cheng by 360 points. There are up to 1000 points up for grabs at WTT Doha. If she can pass Cheng then she will secure a top four seed at the Olympics, presenting her with a path to an Olympic medal without having to defeat a Chinese player.

The situation favors Cheng, because as a top four seed in Qatar, she has a guaranteed path to the semi-finals without playing any of the higher ranked Sun, Ito, or Liu. If both players play to their seeding, then Cheng will extend her world ranking lead over Ishikawa. In order to pass Cheng, Ishikawa likely needs to reach the finals in both WTT Contender and WTT Star Contender.

Despite Ishikawa’s recent win over Ito, she may be hoping for a quarterfinal match-up with Cheng in both events in Qatar, as such a draw would give Ishikawa the most control over her seeding at the Tokyo Olympics. Even if Cheng loses in the quarterfinals (whether to Ishikawa or someone else), Ishikawa will likely either need to make it to the finals or outperform Cheng in another tournament between now and Tokyo in order to secure the fourth seed in the Olympics; however, a Cheng vs Ishikawa quarterfinal may be as close to a play-in for the fourth seed as we can get. Hence, Edges and Nets would consider Cheng to be the most interesting quarterfinal opponent for Ishikawa.

The Most Interesting Quarterfinal Draw

Assuming everyone plays to their seeding up to the quarterfinals (which will likely not be the case), in summary here are Edges and Nets’ picks for what would be the most interesting draw:

  • Kasumi Ishikawa vs Cheng I-Ching
  • Miu Hirano vs Sun Yingsha
  • Feng Tianwei vs Liu Shiwen
  • Jeon Jihee vs Mima Ito

If you liked this article, please follow Edges and Nets on Facebook or Instagram to stay updated. The next post in this series will go over the list of men who are ranked in the top 20 who have entered the tournament and will take a closer look at seeds five through eight in the Men’s Singles event. It will be posted on Wednesday, February 17 (North American timezone).

Unless stated otherwise, all images and footage in this post can respectively be found on ITTF’s Flickr page and the ITTV channel.