Eri Shimizu defeated Momoko Kobori 6-3 7-5 in the W35 Hamamatsu 1 round of 16 on carpet. The upset overturned the form book — Momoko Kobori came in ranked #346, leading the head-to-head 2–0. Eri Shimizu claimed a first win over Momoko Kobori in three meetings, narrowing the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2025-11-09 | W35 Hamamatsu 1 | F | carpet | Momoko Kobori | 6-2 6-4 |
| 2025-06-28 | W35 Taipei 2 | SF | hard | Momoko Kobori | 6-7(5) 6-1 6-1 |
Averages over each player's completed matches in the selected window (67 vs 46). 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