Prediction, odds and live streaming
The pick for Tennis Tonic is Yusuke Takahashi who should win in 3 sets.
Yusuke Takahashi -> 1.49
Kokoro Isomura -> 2.49
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Prediction and head to head Yusuke Takahashi vs. Kokoro Isomura
This will be the 2nd time that Yusuke Takahashi and Kokoro Isomura fight against each other. The head to head is 1-0 for Isomura (see full H2H stats), 1-0 on hard.
The last time that they locked horns, Isomura won 6-4 6-2 in the 1st round in M25 Sapporo back in 2022.
Yusuke Takahashi
| Year | Total | Hard | Clay | I.hard | Grass | Carpet |
|---|---|---|---|---|---|---|
| 2025 | 44-26 | 40-24 | 0-0 | 4-2 | 0-0 | 0-0 |
| 2024 | 31-28 | 25-25 | 0-0 | 6-3 | 0-0 | 0-0 |
| 2023 | 37-31 | 33-28 | 0-0 | 4-3 | 0-0 | 0-0 |
| 2022 | 17-22 | 17-21 | 0-0 | 0-1 | 0-0 | 0-0 |
| 2021 | 19-23 | 18-21 | 0-0 | 1-2 | 0-0 | 0-0 |
Ranked no. 440, the Japanese got to the qualifications after beating Ramkumar Ramanathan 6-1 7-6(5).
In the qualifications, Takahashi had a good straight sets win against Ramanathan (6-1 7-65). During the match, Takahashi scored 74 points vs Ramanathan’s 51. The Japanese was pretty aggressive to blast 25 winners.
Talking about the service games, Takahashi fired 6 aces and he committed only 3 double faults. Overall, Yusuke Takahashi was extremely effective on serve to win 76% (25/33) of his 1st serve and 65% (17/26) on the second serve. However, this didn’t prevent his to concede the serve once. Yusuke broke Ramanathan 3 times after converting 60% of his break points (3/5).
Takahashi has favorable match record in the last 10 years having won 56% of his matches (307-238). 40-21 on hard in 2025. In connection with his performance on the same surface of this event, Takahashi has an aggregate 269-202 win-loss record in the last years on hard.
The Japanese’s best result of the year was getting to the final in M15 Kashiwa and M15 Osaka.
The Japanese has a compiled 42-22 win-loss record in 2025, 40-21 on hard (See FULL STATS).
Previously in the Seoul Challenger
Kokoro Isomura
| Year | Total | Hard | Clay | I.hard | Grass | Carpet |
|---|---|---|---|---|---|---|
| 2025 | 34-30 | 32-28 | 0-0 | 2-2 | 0-0 | 0-0 |
| 2024 | 39-25 | 27-18 | 6-4 | 6-3 | 0-0 | 0-0 |
| 2023 | 25-30 | 25-29 | 0-1 | 0-0 | 0-0 | 0-0 |
| 2022 | 24-16 | 7-9 | 17-7 | 0-0 | 0-0 | 0-0 |
| 2021 | 6-8 | 4-2 | 2-6 | 0-0 | 0-0 | 0-0 |
Ranked no. 493, the Japanese reached the qualifications after defeating Dong Ju Kim 6-4 6-3.
In the qualifications, The Japanese had a good straight sets win against Ju Kim (6-4 6-3). During the match Isomura scored 66 points vs Ju Kim’s 54. The Japanese was exceptionally aggressive to blast 24 winners.
Talking about serving, Isomura was unable to score even 1 ace for the entire match and he committed only 5 double faults. Kokoro Isomura lost the serve 3 times. Furthermore, Isomura put 63% of his first serves in, winning 67% (24/36) of the points behind his 1st serve and 38% (8/21) on the 2nd serve. The Japanese broke Ju Kim 6 times after converting 67% of his break points (6/9).
The Japanese’s best result of the current year was getting to the final in M15 Luan.
Isomura has an overall 32-26 win-loss record in 2025, 30-25 on hard (See FULL STATS).
Previously in the Seoul Challenger
Previously, his best result was reaching the qualifications in 2024. See his history.
H2H Performance in the tournament
Matches, sets, games and points
| Points | Takahashi | Isomura |
|---|---|---|
| Match played | 1 | 1 |
| Tot Set | 2 | 2 |
| Tot Games | 20 | 19 |
| Pts | 74-51 | 66-54 |
| Total Points | 125 | 120 |
| Winners | 25 | 24 |
| %Winners | 34% | 36% |
Both Takahashi and Isomura played 1 match. Also both players started their run from the qualifications.Both players have not dropped a single set in this event so far. Talking about their workload, Takahashi and Isomura have played the same amount of sets 2. However, Takahashi played 1 game more than Isomura. The Japanese scored 25 winners (34% of the total points). On the other side, The Japanese bagged 24 winners (36%).
Serve Performance
| Serve | Takahashi | Isomura |
|---|---|---|
| Aces | 6 | 0 |
| Avg per match | 6 | 0 |
| 1st in | 33/59 | 36/57 |
| %1st in | 56% | 63% |
| 1st pts | 25/33 | 24/36 |
| %1st pts | 76% | 67% |
| 2nd pts | 17/26 | 8/21 |
| %2nd pts | 65% | 38% |
Takahashi blasted 6 aces . Isomura didn’t manage to fire a single ace to far. Takahashi won 76% points on his first serve. He pretty solid on his second serve to win 65% of the points. On the other side, Isomura won 67% of the points behind his first serve. He had a solid display on his second serve to win 38% of the points.
How they played the important points
| Breaks | Takahashi | Isomura |
|---|---|---|
| Won | 3 | 6 |
| Converted | 3/5 | 6/9 |
| % Converted | 60% | 67% |
| Conceded | 1 | 3 |
| Saved | 0 | 0 |
| % Saved | 0% | 0% |
| Times Broken | 1 | 3 |
Yusuke broke his opponent 3 times with a 60% conversion rate. The Japanese surrendered his serve once and he saved 0% of the break points that he conceded. The Japanese broke his opponent 6 times with a 67% conversion rate. The Japanese conceded his serve 3 times and he saved 0% of the break points that he conceded.
| Takahashi | |||
| Q1 Ramanathan | Total | ||
|---|---|---|---|
| Score | 6-1 7-65 | ||
| Tot Set | 2 | 2 | |
| Tot Games | 20 | 20 | |
| pts | 74-51 | 74-51 | |
| Total points | 125 | 125 | |
| Winners | 25 | 25 | |
| %Winners | 34% | 34% | |
| SERVE | |||
| Aces | 6 | 6 | |
| Double Faults | 3 | 3 | |
| 1st in | 33/59 | 33/59 | |
| % 1st in | 56% | 56% | |
| 1st pts | 25/33 | 25/33 | |
| % 1st pts | 76% | 76% | |
| 2nd pts | 17/26 | 17/26 | |
| % 2nd pts | 65% | 65% | |
| Breaks | |||
| Won | 3 | 3 | |
| Converted | 3/5 | 3/5 | |
| Converted % | 60% | 60% | |
| Conceded | 1 | 1 | |
| Saved | 0/1 | 0 | |
| Saved % | 0% | 0% | |
| Times Broken | 1 | 1 | |
| Isomura | |||
| Q1 Ju | Total | ||
|---|---|---|---|
| Score | 6-4 6-3 | ||
| Tot Set | 2 | 2 | |
| Tot Games | 19 | 19 | |
| pts | 66-54 | 66-54 | |
| Total points | 120 | 120 | |
| Winners | 24 | 24 | |
| %Winners | 36% | 36% | |
| SERVE | |||
| Aces | 0 | 0 | |
| Double Faults | 5 | 5 | |
| 1st in | 36/57 | 36/57 | |
| % 1st in | 63% | 63% | |
| 1st pts | 24/36 | 24/36 | |
| % 1st pts | 67% | 67% | |
| 2nd pts | 8/21 | 8/21 | |
| % 2nd pts | 38% | 38% | |
| Breaks | |||
| Won | 6 | 6 | |
| Converted | 6/9 | 6/9 | |
| Converted % | 67% | 67% | |
| Conceded | 3 | 3 | |
| Saved | 0/3 | 0 | |
| Saved % | 0% | 0% | |
| Times Broken | 3 | 3 | |
Upcoming matches in the draw
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- Frederico Ferreira SilvaFerreira Silva – Garrett JohnsJohns (0-0) – H2H and prediction
- Taro DanielDaniel – Yasutaka UchiyamaUchiyama (2-0) – H2H and prediction
- Omar JasikaJasika – Sho ShimabukuroShimabukuro (0-0) – H2H and prediction
- Yunseong ChungChung – Yuki MochizukiMochizuki (0-1) – H2H and prediction
- Renta TokudaTokuda – Elias YmerYmer (0-1) – H2H and prediction
- Yusuke TakahashiTakahashi – (0-1) – H2H and prediction
- Masamichi ImamuraImamura – Michael VrbenskyVrbensky (0-0) – H2H and prediction
- Sanhui ShinShin – (0-0) – H2H and prediction
- Duje AjdukovicAjdukovic – Yu Hsiou HsuHsiou Hsu (0-0) – H2H and prediction
- Oliver CrawfordCrawford – (0-1) – H2H and prediction
- Kasidit SamrejSamrej – Takuya KumasakaKumasaka (4-0) – H2H and prediction
- Woobin ShinShin – Marc-Andrea HueslerHuesler (0-0) – H2H and prediction