Rinko Matsuda defeated Momoko Kobori 1-6 6-2 10-8 in the W35 Osaka 1 q16 on hard. The upset overturned the form book — Momoko Kobori came in ranked #372, leading the head-to-head 1–0, but Rinko Matsuda had been the form player, winning 3 of their last 4 on hard. Rinko Matsuda claimed a first win over Momoko Kobori in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2025-11-07 | W35 Hamamatsu 1 | QF | carpet | Momoko Kobori | 6-2 6-4 |
Averages over each player's completed matches in the selected window (137 vs 87). 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