
Naomi Osaka defeated Alison Riske Amritraj 6-3 6-4 in the Miami round of 16 on hard. The result followed the form book — Naomi Osaka came in leading the head-to-head 1–0, defending last year's quarter-final. Naomi Osaka extended the head-to-head to 2–0.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2019-09-30 | Beijing | R16 | hard | Naomi Osaka | 6-4 6-0 |
Averages over each player's completed matches in the selected window (146 vs 56). ATP, WTA & Challenger.
Performance in the biggest moments — break points, deciding sets and tiebreaks (0–100, higher is better). About
Osaka N.: 9 days rest · 3 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
Per-surface Serve / Return Rating (0–100, percentile within the hard field, opponent-adjusted over 52 weeks). About