Yui Chikaraishi defeated Mio Mushika 6-2 4-6 7-6 in the W15 Monastir 23 quarter-final on hard. The upset overturned the form book — Mio Mushika came in ranked #442, leading the head-to-head 3–0. Yui Chikaraishi claimed a first win over Mio Mushika in four meetings, narrowing the head-to-head to 3–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2025-05-15 | W15 Toyama 1 | R16 | hard | Mio Mushika | 6-0 6-1 |
| 2024-05-24 | W15 Fukui 1 | QF | hard | Mio Mushika | 6-3 6-1 |
| 2023-05-22 | W25 Karuizawa | Q32 | grass | Mio Mushika | 6-1 6-2 |
Averages over each player's completed matches in the selected window (20 vs 61). 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