Kokoro Isomura and Sergey Fomin will play each other in the 1st round of the Zhangjiagang Challenger for the 1st time in their career. They are scheduled to compete on Tuesday at 3:00 pm on Court 7. In this post, we analyze their head to head performance and prediction.
Prediction, odds and live streaming
The pick for Tennis Tonic is Sergey Fomin who should win in 3 sets.
As per the initial odds, Sergey Fomin is the pick to win this match.
Sergey Fomin -> 1.48
Kokoro Isomura -> 2.5
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Prediction and head to head Kokoro Isomura vs. Sergey Fomin
There is no head to head record between Kokoro Isomura and Sergey Fomin since this will be the first time that they will fight against each other in the main tour.
Kokoro Isomura
| Year | Total | Hard | Clay | I.hard | Grass | Carpet |
|---|---|---|---|---|---|---|
| 2025 | 34-31 | 32-29 | 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. 480, Isomura will start his run in the Zhangjiagang Challenger after he played his last match in M25 Bali where he lost 4-6 6-3 6-4 to Rawat in the 1st round on the 12th of August.
The Japanese has a compiled 23-21 win-loss record in 2025, 21-20 on hard (See FULL STATS).
The Japanese’s best result of the year was reaching the final in M15 Luan.
Talking about his overall career, The Japanese has an overall 117-100 record. He has a positive 84-78 record on hard.
Previously in the Zhangjiagang Challenger
Kokoro has never competed in this tournament before.
Sergey Fomin
42 - 22win/loss
345
345
LWWWWWWWLW | Year | Total | Hard | Clay | I.hard | Grass | Carpet |
|---|---|---|---|---|---|---|
| 2025 | 61-30 | 30-16 | 31-13 | 0-1 | 0-0 | 0-0 |
| 2024 | 32-23 | 15-12 | 13-8 | 4-3 | 0-0 | 0-0 |
| 2023 | 35-32 | 13-15 | 22-14 | 0-3 | 0-0 | 0-0 |
| 2022 | 33-25 | 24-15 | 9-6 | 0-4 | 0-0 | 0-0 |
| 2021 | 16-24 | 0-2 | 11-14 | 5-8 | 0-0 | 0-0 |
Ranked no. 483, the Uzbek will start his run in the Zhangjiagang Challenger after he played his last match in the Sofia 2 Challenger where he lost 7-5 6-0 to Serdarusic in the qualifications on the 18th of August.
Fomin has an aggregate 42-22 win-loss record in 2025, 11-8 on hard (See FULL STATS).
Fomin’s best result of the current season was getting to the final in M15 Antalya,M25 Antalya and M15 Shymkent.
In terms of his career, The Uzbek has an overall 203-180 record. He has a flat 78-78 record on hard.
Head 2 Head
LLLLLWWWLL
LWWWWWWWLW Tennis Scores in Zhangjiagang Challenger
- Filip PeliwoPeliwo – Hanyi LiuLiu (6-4 6-0) – See score progression
- Kaichi UchidaUchida – Takeru YuzukiYuzuki (6-4 6-2) – See score progression
- Tsung-Hao HuangHuang – Ji Sung NamSung Nam (6-2 6-4) – See score progression
- Yuta KikuchiKikuchi – Charles ChenChen (6-4 6-3) – See score progression
- Kaito UesugiUesugi – James WattWatt (6-2 6-3) – See score progression
- Joshua CharltonCharlton – Akira SantillanSantillan (7-64 5-7 6-4) – See score progression
- Yuta KikuchiKikuchi – Charles ChenChen (6-4 6-3) – See score progression
- Kaito UesugiUesugi – James WattWatt (6-2 6-3) – See score progression
- Joshua CharltonCharlton – Akira SantillanSantillan (7-6(4) 5-7 6-4) – See score progression
- Filip PeliwoPeliwo – Hanyi LiuLiu (6-4 6-0) – See score progression
- Tsung-Hao HuangHuang – Ji Sung NamSung Nam (6-2 6-4) – See score progression
- Kaichi UchidaUchida – Takeru YuzukiYuzuki (6-4 6-2) – See score progression
Upcoming matches in the draw
- Bernard TomicTomic – (0-0) – H2H and prediction
- Yasutaka UchiyamaUchiyama – Yuta KikuchiKikuchi (0-0) – H2H and prediction
- Denis YevseyevYevseyev – Hiroki MoriyaMoriya (0-1) – H2H and prediction
- Filip PeliwoPeliwo – (1-0) – H2H and prediction
- Kaito UesugiUesugi – Tsung-Hao HuangHuang (0-0) – H2H and prediction
- Luca CastelnuovoCastelnuovo – Kaichi UchidaUchida (0-0) – H2H and prediction
- Fajing SunSun – Ye Cong MoCong Mo (3-0) – H2H and prediction
- Masamichi ImamuraImamura – Oliver CrawfordCrawford (0-0) – H2H and prediction
- Sergey FominFomin – (0-0) – H2H and prediction
- Jie CuiCui – (0-0) – H2H and prediction
- Sanhui ShinShin – Woobin ShinShin (2-0) – H2H and prediction
- Moerani BouzigeBouzige – Sho ShimabukuroShimabukuro (0-0) – H2H and prediction
- Joshua CharltonCharlton – Rigele TeTe (0-0) – H2H and prediction
- Linang XiaoXiao – Rio NoguchiNoguchi (1-0) – H2H and prediction
