Akiko Omae defeated Mei Yamaguchi 6-1 6-3 in the W50 Kyoto round of 16 on hard. The upset overturned the form book — Mei Yamaguchi came in leading the head-to-head 3–1, but Akiko Omae had been the form player, winning 3 of their last 7 on hard. Akiko Omae narrowed the head-to-head to 3–2.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2025-03-13 | W50 Kyoto 1 | R16 | hard | Akiko Omae | 6-1 6-3 |
| 2024-03-13 | W35 Indore 1 | R32 | hard | Mei Yamaguchi | 6-2 6-1 |
| 2023-05-08 | W60 Fukuoka | Q16 | carpet | Mei Yamaguchi | 6-2 6-1 |
| 2019-10-18 | W25 Hamamatsu | QF | carpet | Mei Yamaguchi | 5-7 6-1 7-6(4) |
Averages over each player's completed matches in the selected window (34 vs 135). 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