Eri Shimizu defeated Ayumi Koshiishi 7-5 6-3 in the W35 Nakhon Si Thammarat 2 round of 16 on hard. The result followed the form book — Eri Shimizu came in ranked #365, leading the head-to-head 2–0. Eri Shimizu extended the head-to-head to 3–0.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2025-04-22 | W100 Tokyo 1 | Q16 | hard | Eri Shimizu | 6-3 6-3 |
| 2022-10-13 | W25 Hamamatsu | R16 | carpet | Eri Shimizu | 3-6 6-4 6-2 |
Averages over each player's completed matches in the selected window (67 vs 44). 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