Ji Hee Choi defeated Haruka Kaji 6-1 7-5 in the Tokyo $100K q32 on hard. The upset overturned the form book — Haruka Kaji came in leading the head-to-head 1–0. Ji Hee Choi claimed a first win over Haruka Kaji in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2015-11-23 | Toyota $75K | Q32 | carpet | Haruka Kaji | 7-6(3) 6-3 |
Averages over each player's completed matches in the selected window (78 vs 199). ATP, WTA & Challenger.
Each player's serve crossed against the other's return, converted to expected hold of serve. Recent completed matches, ATP, WTA & Challenger. About