
Donna Vekic defeated Kimberly Birrell 6-4 6-4 in the US Open round of 128 on hard. The upset overturned the form book — Kimberly Birrell came in leading the head-to-head 2–1, defending last year's round of 128. Donna Vekic narrowed the head-to-head to 2–2.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2025-10-27 | Chennai | QF | hard | Kimberly Birrell | 6-4 6-0 |
| 2025-06-30 | Wimbledon | R128 | grass | Donna Vekic | 6-0 6-4 |
| 2019-01-14 | Australian Open | R64 | hard | Kimberly Birrell | 6-4 4-6 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
Per-surface Serve / Return Rating (0–100, percentile within the hard field, opponent-adjusted over 52 weeks). About
Averages over each player's completed matches in the selected window (116 vs 133). ATP, WTA & Challenger.
Performance in the biggest moments — break points, deciding sets and tiebreaks (0–100, higher is better). About
Vekic D.: 11 days rest · 1 match (14d) · Birrell K.: 9 days rest · 2 matches (14d). Higher means fresher. About