
Naomi Osaka defeated Su Wei Hsieh 7-6 5-7 6-2 in the Cincinnati round of 16 on hard. The result followed the form book — Naomi Osaka came in leading the head-to-head 3–1, defending last year's round of 64. Naomi Osaka extended the head-to-head to 4–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2021-02-08 | Australian Open | QF | hard | Naomi Osaka | 6-2 6-2 |
| 2019-04-22 | Stuttgart | R16 | clay | Naomi Osaka | 6-4 6-3 |
| 2019-03-18 | Miami | R32 | hard | Su Wei Hsieh | 4-6 7-6(4) 6-3 |
| 2019-01-14 | Australian Open | R32 | hard | Naomi Osaka | 5-7 6-4 6-1 |
Each player's serve crossed against the other's return, converted to expected hold of serve. Recent completed matches, ATP, WTA & Challenger. About
Per-surface Serve / Return Rating (0–100, percentile within the hard field, opponent-adjusted over 52 weeks). About
Averages over each player's completed matches in the selected window (196 vs 104). ATP, WTA & Challenger.