Petra Marcinko advanced to the quarterfinals at Eastbourne, defeating Kimberly Birrell in the Round of 16. Marcinko won the match 6-1, 6-4, breaking Birrell's serve five times while Birrell converted two breaks. Marcinko's victory moved her into the next round.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2026-02-23 | Austin | R32 | hard | Kimberly Birrell | 0-6 6-3 6-4 |
Averages over each player's completed matches in the selected window (34 vs 41). ATP, WTA & Challenger.
Performance in the biggest moments — break points, deciding sets and tiebreaks (0–100, higher is better). About
Slight edge · Birrell K. narrowly ahead
Calibrated model · 65% favourite accuracy (2025–26, out-of-sample). Probability is a statistical estimate, not a certainty. How it works.
The Umpiry Score combines match-context factors — matchup, form, fatigue, travel and motivation — into a single 0–10 score, updated daily. Read how it works.
Marcinko P.: 20 days rest · Birrell K.: 4 days rest · 1 match, 23 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 grass field, opponent-adjusted over 52 weeks). About