Madison Brengle defeated Serena Williams 6-4 6-7 6-4 in the Auckland round of 16 on hard. The upset overturned the form book — Serena Williams came in leading the head-to-head 1–0. Madison Brengle claimed a first win over Serena Williams in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2015-05-04 | Madrid | R64 | clay | Serena Williams | 6-0 6-1 |
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 109). 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