

Naomi Osaka defeated Katerina Siniakova 6-3 6-2 in the Wimbledon round of 64 on grass. The result followed the form book — Naomi Osaka came in ranked #14, defending last year's round of 64. Naomi Osaka extended the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2019-05-27 | Roland Garros | R32 | clay | Katerina Siniakova | 6-4 6-2 |
| 2018-02-12 | Doha | R64 | hard | Naomi Osaka | 6-4 6-0 |
Each player's serve crossed against the other's return, converted to expected hold of serve. Recent completed matches, ATP, WTA & Challenger. About
Averages over each player's completed matches in the selected window (51 vs 72). ATP, WTA & Challenger.
Performance in the biggest moments — break points, deciding sets and tiebreaks (0–100, higher is better). About
The Umpiry Score combines match-context factors — matchup, form, fatigue, travel and motivation — into a single 0–10 score, updated daily. Read how it works.
Osaka N.: 4 days rest · 2 matches, 44 games (7d) · Siniakova K.: 10 days rest · 2 matches (14d). Higher means fresher. About