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KI
Kokoro Isomura
JPN · Age 23 · Right-handed · 1.75 mL
0-1won-lost
0%win rate
–streak
1matches
Hard 0-1
Ranking
#1751 in 2021-07 → #649 in 2026-11 · best #424monthly ranking: Tennis Abstract (CC BY-NC-SA 4.0) + matches we tracked
Career
96-92career 2015 to June 2026 (51%)
1titles
#424best ranking
ITF 89-74 · 1 🏆Challenger 7-18
Hard 84-79Clay 12-13
Best career win: Yosuke Watanuki (#168, 2025)
| Year | W-L |
|---|---|
| 2026 | 6-9 |
| 2025 | 21-26 |
| 2024 | 30-15 |
| 2023 | 25-23 |
| 2022 | 13-12 |
| 2021 | 1-7 |
Career data to June 2026: Tennis Abstract / Jeff Sackmann, CC BY-NC-SA 4.0 · main draw matches only, aggregated by Beyond100.
Results
2026-10-25 · Qualifying semi-finals · Hard court · 56% of games ›
Kokoro IsomuraJPN · #649
263
Shintaro ImaiJPN · #1002
626