Madison Brengle defeated Andrea Petkovic 5-7 7-6 6-3 in the Australian Open round of 128 on hard. The upset overturned the form book — Andrea Petkovic came in defending last year's round of 128. Madison Brengle extended the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2019-07-29 | San Jose | R32 | hard | Madison Brengle | 6-0 6-3 |
| 2015-04-06 | Charleston | R16 | clay | Andrea Petkovic | 6-4 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
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
Brengle M.: 3 days rest · 3 matches, 55 games (7d). Higher means fresher. About