
Katerina Siniakova defeated Maria Sakkari 7-6 6-7 6-3 in the Roland Garros round of 64 on clay. The upset overturned the form book — Maria Sakkari came in leading the head-to-head 3–1, defending last year's round of 32. Katerina Siniakova narrowed the head-to-head to 3–2.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2022-03-07 | Indian Wells | R64 | hard | Maria Sakkari | 6-3 7-5 |
| 2021-08-30 | US Open | R64 | hard | Maria Sakkari | 6-4 6-2 |
| 2018-01-15 | Australian Open | R128 | hard | Katerina Siniakova | 6-2 6-7(5) 6-4 |
| 2017-07-03 | Wimbledon | R128 | grass | Maria Sakkari | 6-3 6-4 |
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 clay field, opponent-adjusted over 52 weeks). About
Averages over each player's completed matches in the selected window (200 vs 200). ATP, WTA & Challenger.
Performance in the biggest moments — break points, deciding sets and tiebreaks (0–100, higher is better). About
Siniakova K.: 12 days rest · 2 matches (14d) · Sakkari M.: 9 days rest · 3 matches (14d). Higher means fresher. About