ATP Tour
Kokoro Isomura
Beat 4 favorites#553
ATP World Ranking - 73 pts
Player Archetype
🛡️ The Spoiler
A defensive specialist who retrieves better than a Grinder but without the elite return game of a Counterpuncher. Neutralises power hitters through court coverage and consistency - and uniquely, holds a winning record against The Complete Package.
Strong court coverageStrong retrievalDefensive consistencyBeats elite opponents
Strong against
🏃 Pusher58%
🧱 The Wall51%
Weak against
🏹 Frontrunner34%
🤖 Servebot42%
Player Overview
Age
23
Height
5'9" (175 cm)
Weight
72 kg (159 lbs)
Plays
Right-Handed, Two-Handed BH
Career-High Ranking
#424 (2025-09-08)
Career
53
Wins
45
Losses
54.1%
Win %
0
Titles
Win / Loss by Year
Career record broken down by surface
| Year | Summary | Clay | Hard | Grass |
|---|---|---|---|---|
| 2026 | 27/21 | - | 25/20 | - |
| 2025 | 24/19 | - | 24/19 | - |
| 2024 | 8/7 | - | 8/7 | - |
| Career | 59/47 | - | 57/46 | - |
Serve & Return
Averages · Last 90 days (16 matches)
Serve
1st Serve In-
1st Serve Pts Won-
2nd Serve Pts Won-
Break Points Saved-
Aces / Match1.6
Double Faults / Match5.7
Avg 1st Serve-
Max Serve Speed-
Return
1st Return Pts Won-
2nd Return Pts Won-
Break Points Converted-
Rally
Winners / Match-
Unforced Errors / Match-
Net Pts Won %-
Total Pts Won %-
Prop Research
Career hit rates on common betting markets · 104 serve-stat matches
Kokoro Isomura has served 3+ aces in 40.4% of career matches and 5+ aces in 23.1%.
Ace Totals
| Outcome | Hit rate | Matches |
|---|---|---|
| 1 or more | 77% | 80/104 |
| 3 or more | 40% | 42/104 |
| 5 or more | 23% | 24/104 |
| 10 or more | 2% | 2/104 |
| 15 or more | 1% | 1/104 |
| 20 or more | 0% | 0/104 |
Double Fault Totals
| Outcome | Hit rate | Matches |
|---|---|---|
| 1 or more | 96% | 100/104 |
| 2 or more | 80% | 83/104 |
| 3 or more | 62% | 64/104 |
| 5 or more | 38% | 39/104 |
| 8 or more | 5% | 5/104 |
| 10 or more | 3% | 3/104 |
Total Sets
| Outcome | Hit rate | Matches |
|---|---|---|
| 2 Sets | 70% | 73/104 |
| 3 Sets | 30% | 31/104 |
Set Betting
| Outcome | Hit rate | Matches |
|---|---|---|
| 2-0 | 39% | 40/104 |
| 2-1 | 16% | 17/104 |
| 1-2 | 14% | 14/104 |
| 0-2 | 32% | 33/104 |
Match/Set Winner
| Outcome | Hit rate | Matches |
|---|---|---|
| 1st Set Winner | 52% | 55/106 |
| 2nd Set Winner | 56% | 59/106 |
| 3rd Set Winner | 56% | 18/32 |
Recent Matches
Last 10 results
FormLLWWW
| Date | Tournament | Round | Opponent | Surface | Score | Result |
|---|---|---|---|---|---|---|
| Aug 26, 2026 | M25 Taipei | 1st Round | Yanki Erel | Hard | 46 06 | L |
| Aug 23, 2026 | M15 Maanshan | Final | Fitriadi M Rifqi | Hard | 57 36 | L |
| Aug 22, 2026 | M15 Maanshan | Semifinals | Petr Bar Biryukov | Hard | 75 63 | W |
| Aug 21, 2026 | M15 Maanshan | Quarterfinals | Yusuke Takahashi | Hard | 61 63 | W |
| Aug 20, 2026 | M15 Maanshan | 2nd Round | Zhao Zhao | Hard | 62 62 | W |
| Aug 19, 2026 | M15 Maanshan | 1st Round | Miles Jones | Hard | 36 76 61 | W |
| Aug 11, 2026 | Astana Challenger | 1st Round | Kasidit Samrej | Hard | 75 06 46 | L |
| Jul 13, 2026 | Granby challenger | Alexander Rozin | Hard | 67 46 | L | |
| Jul 12, 2026 | Granby challenger | Hunter Heck | Hard | 06 64 61 | W | |
| Jul 9, 2026 | M15 Tokyo | 2nd Round | Shintaro Imai | Hard | 46 06 | L |
Kokoro Isomura FAQ
Kokoro Isomura is ranked #553 on the ATP tour with 73 ranking points. The career-high ranking is #424, reached in 2025.
Kokoro Isomura is from Japan.
Kokoro Isomura is listed at 5'9" (175 cm). Listed weight is 72 kg (159 lb).
Kokoro Isomura is 23 years old.
Kokoro Isomura plays right-handed with a two-handed backhand.
Kokoro Isomura has a career win-loss record of 53-45 (54% win rate).
Kokoro Isomura: a career-high ranking of #424 in 2025 and 53 career wins.
Kokoro Isomura's strongest surface by win rate is hard, with a 57-46 record (55%). Full career splits: hard 57-46 (55%).
Kokoro Isomura has won 5 of the last 10 completed matches (50%). The current run is 2 straight losses.