Jie Cui and Kokoro Isomura will face off in the 2^nd round of the Zhangjiagang Challenger for the 1^st time in their career. They are scheduled to play on Wednesday at 3:30 pm on Centre Court. In the following lines you can find the head to head analysis and prediction.

Prediction, odds and live streaming

The pick for Tennis Tonic is Jie Cui who should win in 2 sets.

As per the initial odds, Jie Cui is the pick to win this match.
Jie Cui -> 1.4
Kokoro Isomura -> 2.77

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Prediction and head to head Jie Cui vs. Kokoro Isomura

There is no head to head record between Jie Cui and Kokoro Isomura since this will be the first time that they will clash against each other in the main tour.

Jie Cui

Ranked no. 289, Jie reached the 2^nd round after defeating Arthur Gea 5-7 7-6(4) 6-0.

In the 1^st round against Gea, The Chinese recovered from a 1-set down deficit before winning (5-7 7-6⁴ 6-0). During the match, Cui scored 104 points vs Gea’s 91. Jie was quite aggressive to blast 44 winners.

Talking about the service games, Cui managed to score 6 aces and he committed only 6 double faults. Jie Cui lost the serve 3 times and he saved 3 break points. Furthermore, Cui put 63% of his first serves in, winning 73% (44/60) of the points behind his 1st serve and 47% (17/36) on the 2nd serve. Cui broke Gea 5 times after converting 50% of his break points (5/10).

Cui has a winning record in the last 8 years having won 57% of his matches (184-139). 29-17 on hard in 2025. Talking about his performance on the same surface of this competition, Cui has a composed165-119 record in the last 8 years on hard.

The Chinese’s best result of the current year was getting to the final in the Nonthaburi 2 Challenger,M15 Luan and M25 Luzhou.

Jie has an aggregate 30-20 win-loss record in 2025, 29-17 on hard (See FULL STATS).

Previously in the Zhangjiagang Challenger

Kokoro Isomura

Ranked no. 480, Kokoro reached the 2^nd round after beating Sergey Fomin 6-3 6-2.

In the 1^st round, Kokoro had a good straight sets win against Fomin (6-3 6-2). During the match Isomura scored 60 points vs Fomin’s 44. The Japanese was very aggressive to blast 28 winners.

Talking about serving, Isomura made 8 aces and he committed only 6 double faults. Kokoro Isomura was extremely efficient on serve to win 85% (28/33) of his 1st serve and 52% (13/25) on the second serve. This was the main reason for not conceding a single break during the match. Kokoro broke Fomin 3 times after converting 60% of his break points (3/5).

Isomura’s best result of the current year was getting to the final in M15 Luan.

The Japanese has an overall 24-21 win-loss record in 2025, 22-20 on hard (See FULL STATS).

Previously in the Zhangjiagang Challenger

Isomura has never competed in this tournament before.

H2H Performance in the tournament

Matches, sets, games and points

Points	Cui	Isomura
Match played	1	1
Tot Set	3	2
Tot Games	31	17
Pts	104-91	60-44
Total Points	195	104
Winners	44	28
%Winners	42%	47%

Both Cui and Isomura played 1 match. At the moment, Jie Cui surrendered 1 set while Kokoro Isomura hasn’t surrendered a set so far. Cui has played 1 set more than Isomura (3 vs 2). Therefore, Cui played 14 games more than Isomura. Cui scored 44 winners (42% of the total points). On the other side, Isomura managed to score 28 winners (47%).

Serve Performance

Serve	Cui	Isomura
Aces	6	8
Avg per match	6	8
1st in	60/96	33/58
%1st in	63%	57%
1st pts	44/60	28/33
%1st pts	73%	85%
2nd pts	17/36	13/25
%2nd pts	47%	52%

Cui fired 6 aces . Isomura fired 8 aces . Cui won 73% points on his first serve. He was rock solid on his second serve to win 47% of the points. On the other side, Isomura won 85% of the points behind his first serve. He had a solid display on his second serve to win 52% of the points.

How they played the important points

Breaks	Cui	Isomura
Won	5	3
Converted	5/10	3/5
% Converted	50%	60%
Conceded	6	4
Saved	3	4
% Saved	50%	100%
Times Broken	3	0

Jie broke his opponent 5 times with a 50% conversion rate. The Chinese surrendered his serve 3 times and he saved 50% of the break points that he conceded. The Japanese broke his opponent 3 times with a 60% conversion rate. Isomura was rock solid on his serve as he has never conceded a single service game after saving 4 break points.

Cui
	R1 Gea	Total
Score	5-7 7-64 6-0
Tot Set	3	3
Tot Games	31	31
pts	104-91	104-91
Total points	195	195
Winners	44	44
%Winners	42%	42%
SERVE
Aces	6	6
Double Faults	6	6
1st in	60/96	60/96
% 1st in	63%	63%
1st pts	44/60	44/60
% 1st pts	73%	73%
2nd pts	17/36	17/36
% 2nd pts	47%	47%
Breaks
Won	5	5
Converted	5/10	5/10
Converted %	50%	50%
Conceded	6	6
Saved	3/6	3
Saved %	50%	50%
Times Broken	3	3

Isomura
	R1 Fomin	Total
Score	6-3 6-2
Tot Set	2	2
Tot Games	17	17
pts	60-44	60-44
Total points	104	104
Winners	28	28
%Winners	47%	47%
SERVE
Aces	8	8
Double Faults	6	6
1st in	33/58	33/58
% 1st in	57%	57%
1st pts	28/33	28/33
% 1st pts	85%	85%
2nd pts	13/25	13/25
% 2nd pts	52%	52%
Breaks
Won	3	3
Converted	3/5	3/5
Converted %	60%	60%
Conceded	4	4
Saved	4/4	4
Saved %	100%	100%
Times Broken	0	0

Tennis Scores in Zhangjiagang Challenger

• Sanhui ShinShin – Woobin ShinShin (7-5 7-6⁴) – See score progression
• Filip PeliwoPeliwo – Petr Bar BiryukovBar Biryukov (6-1 6-2) – See score progression
• Rio NoguchiNoguchi – Linang XiaoXiao (7-6⁶ 6-1) – See score progression
• Oliver CrawfordCrawford – Masamichi ImamuraImamura (6-3 6-2) – See score progression
• Hiroki MoriyaMoriya – Denis YevseyevYevseyev (6-2 4-6 6-4) – See score progression
• Jie CuiCui – Arthur GeaGea (5-7 7-6⁴ 6-0) – See score progression
• Tsung-Hao HuangHuang – Kaito UesugiUesugi (6-1 6-7(4) 3-2 ret.) – See score progression
• Renta TokudaTokuda – Alexandr BindaBinda (5-7 6-3 6-3) – See score progression
• Fajing SunSun – Ye Cong MoCong Mo (3-6 6-3 6-4) – See score progression
• Philip SekulicSekulic – Bernard TomicTomic (6-1 1-6 7-6⁶) – See score progression
• Ilia SimakinSimakin – Tung-Lin WuWu (6-4 7-6¹) – See score progression
• Kaichi UchidaUchida – Luca CastelnuovoCastelnuovo (7-6⁴ 6-3) – See score progression
• Yasutaka UchiyamaUchiyama – Yuta KikuchiKikuchi (6-2 5-7 6-1) – See score progression
• Sho ShimabukuroShimabukuro – James WattWatt (6-4 3-6 6-2) – See score progression
• Kokoro IsomuraIsomura – Sergey FominFomin (6-3 6-2) – See score progression
• Joshua CharltonCharlton – Rigele TeTe (6-4 6-7⁷ 6-4) – See score progression
• Fajing SunSun – Ye Cong MoCong Mo (3-6 6-3 6-4) – See score progression
• Sanhui ShinShin – Woobin ShinShin (7-5 7-6(4)) – See score progression
• Ilia SimakinSimakin – Tung-Lin WuWu (6-4 7-6(1)) – See score progression
• Joshua CharltonCharlton – Rigele TeTe (6-4 6-7(7) 6-4) – See score progression
• Filip PeliwoPeliwo – Petr Bar BiryukovBar Biryukov (6-1 6-2) – See score progression
• Sho ShimabukuroShimabukuro – James WattWatt (6-4 3-6 6-2) – See score progression
• Yasutaka UchiyamaUchiyama – Yuta KikuchiKikuchi (6-2 5-7 6-1) – See score progression
• Tsung-Hao HuangHuang – Kaito UesugiUesugi (6-1 6-7(4) 3-2 ret.) – See score progression
• Kaichi UchidaUchida – Luca CastelnuovoCastelnuovo (7-6(4) 6-3) – See score progression
• Rio NoguchiNoguchi – Linang XiaoXiao (7-6(6) 6-1) – See score progression

Upcoming matches in the draw

• Hiroki MoriyaMoriya – Oliver CrawfordCrawford (0-0) – H2H and prediction
• Yasutaka UchiyamaUchiyama – Tsung-Hao HuangHuang (0-0) – H2H and prediction
• Filip PeliwoPeliwo – Sho ShimabukuroShimabukuro (0-0) – H2H and prediction
• Kaichi UchidaUchida – Rio NoguchiNoguchi (1-3) – H2H and prediction
• Fajing SunSun – Sanhui ShinShin (1-1) – H2H and prediction