Petra Kvitova defeated Laura Siegemund 6-4 6-2 in the United Cup round robin on hard. The result followed the form book — Petra Kvitova came in leading the head-to-head 2–0, defending last year's round-robin. Petra Kvitova extended the head-to-head to 3–0.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2020-09-28 | Roland Garros | QF | clay | Petra Kvitova | 6-3 6-3 |
| 2015-08-31 | US Open | R128 | hard | Petra Kvitova | 6-1 6-1 |
Averages over each player's completed matches in the selected window (51 vs 176). ATP, WTA & Challenger.
Performance in the biggest moments — break points, deciding sets and tiebreaks (0–100, higher is better). 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