Lisa Marie Rioux defeated Natsumi Kawaguchi 3-6 6-2 10-8 in the W35 Nakhon Pathom 2 q16 on hard. The upset overturned the form book — Natsumi Kawaguchi came in ranked #393, leading the head-to-head 1–0. Lisa Marie Rioux claimed a first win over Natsumi Kawaguchi in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2025-04-04 | W15 Kashiwa 1 | R16 | hard | Natsumi Kawaguchi | 6-0 7-6(4) |
Averages over each player's completed matches in the selected window (36 vs 109). 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