Natsumi Kawaguchi defeated Mio Mushika 4-6 6-3 6-1 in the W15 Singapore round of 16 on hard. The result followed the form book — Natsumi Kawaguchi came in ranked #393, leading the head-to-head 2–0. Natsumi Kawaguchi extended the head-to-head to 3–0.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2025-08-07 | W15 Singapore 1 | R16 | hard | Natsumi Kawaguchi | 4-6 6-3 6-1 |
| 2024-03-19 | W15 Hinode 1 | R32 | hard | Natsumi Kawaguchi | 6-4 6-7(5) 6-4 |
Averages over each player's completed matches in the selected window (109 vs 115). 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