
Kimberly Birrell defeated Jessica Pegula 1-6 6-3 6-3 in the Roland Garros round of 128 on clay. The upset overturned the form book — Jessica Pegula came in ranked #3, leading the head-to-head 1–0, defending last year's round of 16. Kimberly Birrell claimed a first win over Jessica Pegula in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2025-08-07 | Cincinnati | R64 | hard | Jessica Pegula | 6-4 6-3 |
Averages over each player's completed matches in the selected window (38 vs 37). ATP, WTA & Challenger.
Performance in the biggest moments — break points, deciding sets and tiebreaks (0–100, higher is better). About
Birrell K.: 7 days rest · 1 match, 16 games (7d) · Pegula J.: 1 day rest · 3 matches, 67 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