Andrea Petkovic defeated Bethanie Mattek Sands 3-6 6-3 7-5 in the US Open round of 64 on hard. The result followed the form book — Andrea Petkovic came in leading the head-to-head 2–1, defending last year's round of 128. Andrea Petkovic extended the head-to-head to 3–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2018-05-28 | Roland Garros | R64 | clay | Andrea Petkovic | 6-0 7-6(5) |
| 2013-12-30 | Brisbane | R32 | hard | Andrea Petkovic | 6-4 7-5 |
| 2011-02-07 | Paris | QF | carpet | Bethanie Mattek Sands | 7-6(4) 2-6 6-3 |
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 (200 vs 200). ATP, WTA & Challenger.
Performance in the biggest moments — break points, deciding sets and tiebreaks (0–100, higher is better). About