Naho Sato defeated Kyoka Okamura 6-2 6-3 in the W50 Goyang 1 quarter-final on hard. The upset overturned the form book — Kyoka Okamura came in ranked #253, leading the head-to-head 2–1, but Naho Sato had been the form player, winning 4 of their last 6 on hard. Naho Sato narrowed the head-to-head to 2–2.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2024-02-22 | W35 Traralgon 1 | R16 | hard | Naho Sato | 2-6 7-5 6-1 |
| 2023-04-06 | W25 Kashiwa | R16 | hard | Kyoka Okamura | 2-6 6-3 6-3 |
| 2022-12-22 | W60 Kyoto | R16 | hard | Kyoka Okamura | 7-6(8) 7-5 |
Averages over each player's completed matches in the selected window (46 vs 85). ATP, WTA & Challenger.
Okamura K.: 8 days rest · 2 matches (14d). Higher means fresher. About
Each player's serve crossed against the other's return, converted to expected hold of serve. Recent completed matches, ATP, WTA & Challenger. About