Naho Sato defeated Aoi Ito 5-7 6-0 6-0 in the W50 Kofu 1 round of 32 on hard. The upset overturned the form book — Aoi Ito came in ranked #233, leading the head-to-head 1–0, but Naho Sato had been the form player, winning 3 of their last 5 on hard. Naho Sato claimed a first win over Aoi Ito in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2023-05-24 | W25 Karuizawa | R32 | grass | Aoi Ito | 6-2 4-6 6-4 |
Averages over each player's completed matches in the selected window (46 vs 72). 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