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Kokoro Isomura

22/01/2003 · right-handed

Global Elo

1483

Record

0-0

ATP / Tour Record

Wins
0
Losses
0
Matches
0

Challenger Record

Wins
34
Losses
35
Matches
69

Elo and Record by Surface

Clay 1500
Wins
0
Losses
0
Matches
0
Hard 1468
Wins
0
Losses
0
Matches
0

Challenger

Wins
34
Losses
35
Matches
69
Grass 1500
Wins
0
Losses
0
Matches
0

Elo Over Time

1602 1458
2024-01-29 2026-08-31 · 1506

69 matches in this range.

Performance vs. the Odds

Career record grouped by how big a favorite the market made Kokoro Isomura, based on their average odds.

Heavy favorite (odds below 1.30) 0W–0L · 0.0%
Favorite (odds 1.30-1.80) 2W–0L · 100.0%
Even match (odds 1.80-2.20) 3W–0L · 100.0%
Underdog (odds 2.20-4.00) 0W–4L · 0.0%
Heavy underdog (odds above 4.00) 0W–0L · 0.0%

9 matches with market odds since 2026-07-12.

Serve & Return

Serve and return win rates from the last 10 matches at the selected level.

Not enough ATP/Grand Slam match history yet.

1st Serve In % 59.6%
1st Serve Points Won % 70.1%
2nd Serve Points Won % 40.9%
Return Points Won vs 1st Serve % 28.3%
Return Points Won vs 2nd Serve % 52.7%
Aces per Service Game 0.40
Double Faults per Service Game 0.66

Based on the last 10 Challenger matches.

Break Point Performance

How the player handles the biggest points, from the last 10 matches at the selected level.

Not enough ATP/Grand Slam match history yet.

Break Points Saved % 58.9%
Break Points Converted % 34.9%

Based on the last 10 Challenger matches.

Recent Matches

L Hard Zhangjiagang challenger · qualification - round of 16 · 2026-08-31

vs Enzo Aguiard #513

6-7 7-5 7-6

Kokoro Isomura Enzo Aguiard
7 Aces 21
3 Double Faults 1
135 Service Points 127
87 First Serve In 77
58 First Serve Won 56
26 Second Serve Won 28
6 Break Points Saved 7
10 Break Points Faced 10
- Winners -
- Unforced Errors -
- Average Odds -
W Hard Zhangjiagang challenger · qualification - 1. round · 2026-08-30

vs Uisung Park #763

7-5 6-4

Kokoro Isomura Uisung Park
9 Aces 7
6 Double Faults 5
66 Service Points 64
39 First Serve In 42
30 First Serve Won 32
11 Second Serve Won 13
1 Break Points Saved 6
4 Break Points Faced 7
- Winners -
- Unforced Errors -
1.6 Average Odds 2.2
L Hard Astana 4 challenger · 1. round · 2026-08-11

vs Kasidit Samrej #406

5-7 6-0 6-4

Kokoro Isomura Kasidit Samrej
0 Aces 14
22 Double Faults 17
98 Service Points 104
43 First Serve In 54
27 First Serve Won 42
20 Second Serve Won 14
9 Break Points Saved 10
17 Break Points Faced 15
- Winners -
- Unforced Errors -
2.5 Average Odds 1.5
W Hard Astana 4 challenger · qualification - round of 16 · 2026-08-10

vs Sasi Kumar Mukund #578

1-6 7-6 6-3

Kokoro Isomura Sasi Kumar Mukund
2 Aces 6
11 Double Faults 1
93 Service Points 100
54 First Serve In 54
41 First Serve Won 35
12 Second Serve Won 25
6 Break Points Saved 6
11 Break Points Faced 11
- Winners -
- Unforced Errors -
1.8 Average Odds 1.9
W Hard Astana 4 challenger · qualification - 1. round · 2026-08-09

vs Uisung Park #753

6-2 6-2

Kokoro Isomura Uisung Park
6 Aces 4
6 Double Faults 5
56 Service Points 58
27 First Serve In 27
20 First Serve Won 18
13 Second Serve Won 9
1 Break Points Saved 6
3 Break Points Faced 12
- Winners -
- Unforced Errors -
2.1 Average Odds 1.7
L Hard Vancouver challenger · qualification - 1. round · 2026-07-28

vs Karl Poling #491

6-3 6-4

Kokoro Isomura Karl Poling
3 Aces 2
4 Double Faults 4
71 Service Points 79
47 First Serve In 50
37 First Serve Won 31
12 Second Serve Won 14
6 Break Points Saved 11
6 Break Points Faced 13
- Winners -
- Unforced Errors -
2.6 Average Odds 1.5
L Hard Winnipeg challenger · qualification - round of 16 · 2026-07-20

vs James Trotter #457

6-1 6-0

Kokoro Isomura James Trotter
0 Aces 0
3 Double Faults 2
35 Service Points 43
24 First Serve In 33
9 First Serve Won 25
4 Second Serve Won 6
2 Break Points Saved 3
7 Break Points Faced 3
- Winners -
- Unforced Errors -
3.7 Average Odds 1.2
W Hard Winnipeg challenger · qualification - 1. round · 2026-07-19

vs Ben Jones #732

4-6 6-4 7-6

Kokoro Isomura Ben Jones
11 Aces 1
18 Double Faults 3
129 Service Points 97
74 First Serve In 68
53 First Serve Won 52
22 Second Serve Won 14
8 Break Points Saved 4
11 Break Points Faced 7
- Winners -
- Unforced Errors -
1.8 Average Odds 1.8
L Hard Granby challenger · qualification - round of 16 · 2026-07-13

vs Alexander Rozin #1046

7-6 6-4

Kokoro Isomura Alexander Rozin
2 Aces 12
2 Double Faults 1
78 Service Points 61
59 First Serve In 41
44 First Serve Won 36
9 Second Serve Won 13
6 Break Points Saved 0
7 Break Points Faced 0
- Winners -
- Unforced Errors -
3.0 Average Odds 1.4
W Hard Granby challenger · qualification - 1. round · 2026-07-12

vs Hunter Heck #729

0-6 6-4 6-1

Kokoro Isomura Hunter Heck
8 Aces 2
4 Double Faults 2
80 Service Points 76
47 First Serve In 46
32 First Serve Won 26
10 Second Serve Won 14
8 Break Points Saved 3
14 Break Points Faced 8
- Winners -
- Unforced Errors -
2.1 Average Odds 1.6