Ayumi Koshiishi defeated Eudice Wong Chong 6-2 4-6 6-4 in the W75 Nonthaburi round of 32 on hard. Ayumi Koshiishi extended the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2025-01-08 | W75 Nonthaburi 1 | R32 | hard | Ayumi Koshiishi | 6-2 4-6 6-4 |
| 2019-03-22 | W15 Xiamen 1 | QF | hard | Eudice Wong Chong | 6-2 6-3 |
Averages over each player's completed matches in the selected window (89 vs 36). 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