Renta Tokuda and Kokoro Isomura will face off in the 1st round of the Shanghai Challenger for the 1st time in their career. They are scheduled to play on Tuesday at 6:00 pm on COURT 5. Here the head to head stats and relative prediction.

Prediction, odds and live streaming

The pick for Tennis Tonic is Renta Tokuda who should win in 3 sets.

As per the initial odds, Renta Tokuda is the pick to win this match.
Renta Tokuda -> 1.43
Kokoro Isomura -> 2.66

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Prediction and head to head Renta Tokuda vs. Kokoro Isomura

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

Renta Tokuda

Renta Tokuda

48 - 15win/loss

Hard
48-15
I Hard
0-0
Rank
302
High
289
LWLWLLWLWW
See allSTATS
Year Total Hard Clay I.hard Grass Carpet
2025 60-22 59-21 0-0 1-1 0-0 0-0
2024 19-10 17-8 0-0 2-2 0-0 0-0
2023 24-16 24-15 0-0 0-1 0-0 0-0
2022 7-10 6-9 0-0 1-1 0-0 0-0
2021 34-13 30-9 2-2 2-2 0-0 0-0
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Ranked no. 458, Tokuda reached the 1st round after beating Linghao Zhang 6-2 6-2 and Joshua Charlton 6-4 6-2.

In the qualifications, Renta had a good straight sets win against Charlton (6-4 6-2). During the match, Tokuda scored 58 points vs Charlton’s 40. The Japanese was extremely aggressive to blast 28 winners.

Regarding the service games, Tokuda fired 5 aces and he committed only 1 double fault. Renta Tokuda was very efficient on serve to win 80% (28/35) of his 1st serve and 67% (10/15) on the second serve. This was the main reason for not conceding a single break during the match. Tokuda was clinical in his return game without wasting any break point and break Charlton 3 times.

Overall Performance in this tournament

Renta started his run at this tournament from the qualifications. In the main draw, he hasn’t lost yet a set in this tournament to conquer 60% of the points he played.

Tokuda has a solid record in the last 9 years having won 62% of his matches (271-164). 48-15 on hard in 2025. Regarding his performance on the same surface of this tournament, Tokuda has a compiled227-129 match record in the last 9 years on hard.

Tokuda’s best result of the current season was getting to the final in M15 Tashkent and M15 Tokyo.

Renta has a composed 48-15 win-loss record in 2025, 48-15 on hard (See FULL STATS).

Previously in the Shanghai Challenger

Shanghai Challenger
Tokuda's Record

Kokoro Isomura

Kokoro Isomura

28 - 22win/loss

Hard
26-21
I Hard
2-1
Rank
543
High
424
LLLLWWWLLW
See allSTATS
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
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Ranked no. 480, Kokoro reached the 1st round after defeating Ajeet Rai 7-6(4) 7-6(6) and Petr Bar Biryukov 7-6(3) 7-5.

In the qualifications, The Japanese had a good straight sets win against Bar Biryukov (7-63 7-5). During the match Isomura scored 79 points vs Bar Biryukov’s 68. The Japanese was very aggressive to blast 41 winners.

About the serving games, Isomura recorded 2 aces and he was very steady in conceding no double faults for the entire match. Kokoro Isomura lost the serve twice and he saved 4 break points. Furthermore, Isomura put 84% of his first serves in, winning 67% (41/61) of the points behind his 1st serve and 75% (9/12) on the 2nd serve. The Japanese broke Bar Biryukov 3 times after converting 60% of his break points (3/5).

Overall Performance in this tournament

Kokoro started his run at this tournament from the qualifications. In the main draw, he hasn’t lost yet a set in this event to win 53% of the points he played.

Isomura’s best result of the current season was reaching the final in M15 Luan.

The Japanese has an overall 28-22 win-loss record in 2025, 26-21 on hard (See FULL STATS).

Shanghai Challenger
Isomura's Record

H2H Performance in the tournament

R.Tokuda
K.Isomura
2h:38
2h:38
Time on court​
!
4h:08
4h:08
1h:07
1h:07
Last match​
1h:46
1h:46
2
2
Match played
2
2
34
34
Games Played​
51
51
4
4
Set played​​
4
4
119
119
Total points​
177
177
59.5
59.5
Avg point​
88.5
88.5
52
52
Winners
87
87
26
26
Avg Winners​
43.5
43.5
44%
44%
Ratio winners
49%
49%
-- Serve --
9
9
Aces
4
4
4.5
4.5
Avg Aces
2
2
3
3
Double Faults
3
3
1.5
1.5
Avg Double Faults
1.5
1.5
52/62
52/62
1st won total​
87/123
87/123
!
84%
84%
1st won %
!
71%
71%
20/32
20/32
2nd won total​
29/48
29/48
!
63%
63%
2nd won %
60%
60%
-- Break Points --
7/12
7/12
BP won
4/12
4/12
3.5/6
3.5/6
Avg BP won
2/6
2/6
!
58%
58%
Won
33%
33%
5
5
Conceded
16
16
2.5
2.5
Avg Conceded
8
8
0
0
Broken
3
3
!
0
0
Avg Broken
1.5
1.5
5
5
Saved
13
13
See Allstats

Matches, sets, games and points

Points Tokuda Isomura
Match played 2 2
Tot Set 4 4
Tot Games 34 51
Pts 119-80 177-159
Total Points 199 336
Winners 52 87
%Winners 44% 49%

Both Tokuda and Isomura played 2 matches. Also both players started their run from the qualifications.Both players have not lost a single set in this event so far. Talking about their workload, Tokuda and Isomura have played the same amount of sets 4. However, Tokuda played 17 games less than Isomura. Renta scored 52 winners (44% of the total points). On the other side, Isomura blasted 87 winners (49%).

Serve Performance

Serve Tokuda Isomura
Aces 9 4
Avg per match 4.5 2
1st in 62/94 123/171
%1st in 66% 72%
1st pts 52/62 87/123
%1st pts 84% 71%
2nd pts 20/32 29/48
%2nd pts 63% 60%

Tokuda made 9 aces (4.5 per match). Isomura managed to score 4 aces (2 per match). Tokuda won 84% points behind his first serve. He quite strong on his second serve to win 63% of the points. On the other side, Isomura won 71% of the points on his first serve. He had a solid display on his second serve to win 60% of the points.

How they played the important points

Breaks Tokuda Isomura
Won 7 4
Converted 7/12 4/12
% Converted 58% 33%
Conceded 5 16
Saved 5 13
% Saved 100% 81%
Times Broken 0 3

Renta broke his opponents 7 times with a 58% conversion rate. Tokuda pretty solid on his serve as he has never dropped a single service game after saving 5 break points. Isomura broke his opponents 4 times with a 33% conversion rate. Kokoro conceded his serve 3 times and he saved 81% of the break points that he conceded.

Tokuda
Q1
Zhang		 Q3
Charlton		 Total
Score 6-2 6-2 6-4 6-2
Tot Set 2 2 4
Tot Games 16 18 34
pts 61-40 58-40 119-80
Total points 101 98 199
Winners 24 28 52
%Winners 39% 48% 44%
SERVE
Aces 4 5 9
Double Faults 2 1 3
1st in 27/44 35/50 62/94
% 1st in 61% 70% 66%
1st pts 24/27 28/35 52/62
% 1st pts 89% 80% 84%
2nd pts 10/17 10/15 20/32
% 2nd pts 59% 67% 63%
Breaks
Won 4 3 7
Converted 4/9 3/3 7/12
Converted % 44% 100% 58%
Conceded 2 3 5
Saved 2/2 3/3 5
Saved % 100% 100% 100%
Times Broken 0 0 0
Isomura
Q1
Rai		 Q3
Bar		 Total
Score 7-64 7-66 7-63 7-5
Tot Set 2 2 4
Tot Games 26 25 51
pts 98-91 79-68 177-159
Total points 189 147 336
Winners 46 41 87
%Winners 47% 52% 49%
SERVE
Aces 2 2 4
Double Faults 3 0 3
1st in 62/98 61/73 123/171
% 1st in 63% 84% 72%
1st pts 46/62 41/61 87/123
% 1st pts 74% 67% 71%
2nd pts 20/36 9/12 29/48
% 2nd pts 56% 75% 60%
Breaks
Won 1 3 4
Converted 1/7 3/5 4/12
Converted % 14% 60% 33%
Conceded 10 6 16
Saved 9/10 4/6 13
Saved % 90% 67% 79%
Times Broken 1 2 3

Tennis Scores in Shanghai Challenger

Upcoming matches in the draw

Tokuda
More Stats
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Isomura

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