Naho Sato defeated Yukina Saigo 6-3 6-1 in the W25 Tsukuba round of 16 on hard. The result followed the form book — Naho Sato came in leading the head-to-head 1–0. Naho Sato extended the head-to-head to 2–0.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2019-11-11 | W100 Tokyo 1 | Q32 | hard | Naho Sato | 6-1 7-5 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.