Mei Hasegawa defeated Ayumi Miyamoto 6-3 4-6 6-4 in the W15 Sapporo 1 semi-final on hard. The upset overturned the form book — Ayumi Miyamoto came in leading the head-to-head 2–0. Mei Hasegawa claimed a first win over Ayumi Miyamoto in three meetings, narrowing the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2024-09-23 | W50 Nanao 1 | Q16 | carpet | Ayumi Miyamoto | 6-1 7-6(5) |
| 2023-06-13 | W15 Kawaguchi 1 | Q16 | hard | Ayumi Miyamoto | 6-0 6-3 |
Averages over each player's completed matches in the selected window (37 vs 119). 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