Momoko Kobori defeated Erina Hayashi 7-6 7-5 in the W25 Tsukuba round of 16 on hard. Momoko Kobori extended the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2019-06-01 | W25 Hong Kong | QF | hard | Erina Hayashi | 7-5 6-2 |
| 2019-05-25 | W25 Karuizawa | SF | carpet | Momoko Kobori | 6-4 6-3 |
Averages over each player's completed matches in the selected window (50 vs 1). 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. Small sample — read as indicative. About