Momoko Kobori defeated Erina Hayashi 6-4 6-3 in the W25 Karuizawa semi-final on carpet. Momoko Kobori extended the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2019-08-22 | W25 Tsukuba | R16 | hard | Momoko Kobori | 7-6(8) 7-5 |
| 2019-06-01 | W25 Hong Kong | QF | hard | Erina Hayashi | 7-5 6-2 |
Averages over each player's completed matches in the selected window (200 vs 88). 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