Rina Saigo defeated Kyoka Okamura 0-6 6-2 6-4 in the W25 Nanao quarter-final on carpet. The upset overturned the form book — Kyoka Okamura came in leading the head-to-head 3–0. Rina Saigo claimed a first win over Kyoka Okamura in four meetings, narrowing the head-to-head to 3–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2024-11-12 | W50 Brisbane 1 | R32 | hard | Kyoka Okamura | 6-3 6-4 |
| 2023-10-13 | W25 Hamamatsu | QF | carpet | Kyoka Okamura | 6-3 6-4 |
| 2022-05-20 | W25 Akko | QF | hard | Kyoka Okamura | 6-1 6-0 |
Averages over each player's completed matches in the selected window (200 vs 200). 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