Yuki Naito defeated Kristie Ahn 6-4 3-6 6-3 in the Us Open qualifying round 1 on hard. The result followed the form book — Yuki Naito came in leading the head-to-head 1–0. Yuki Naito extended the head-to-head to 2–0.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2021-08-24 | US Open | Q128 | hard | Yuki Naito | 6-4 3-6 6-3 |
Averages over each player's completed matches in the selected window (200 vs 27). 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