Katerina Siniakova defeated Andrea Petkovic 6-2 7-6 in the Prague round of 32 on clay. The upset overturned the form book — Andrea Petkovic came in leading the head-to-head 2–1. Katerina Siniakova narrowed the head-to-head to 2–2.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2022-08-13 | Cincinnati | Q32 | hard | Andrea Petkovic | 6-4 4-6 6-1 |
| 2018-10-15 | Luxembourg | R16 | hard | Andrea Petkovic | 6-2 6-3 |
| 2015-06-15 | Birmingham | R32 | grass | Katerina Siniakova | 4-6 6-1 7-6 |
Averages over each player's completed matches in the selected window (200 vs 192). ATP, WTA & Challenger.
Performance in the biggest moments — break points, deciding sets and tiebreaks (0–100, higher is better). About
Siniakova K.: 2 days rest · 2 matches, 43 games (7d). 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 clay field, opponent-adjusted over 52 weeks). About