

Jessica Pegula faces Anna Kalinskaya in the Washington quarter-final on hard. Jessica Pegula holds the paper edge — ranked #3, leading the head-to-head 4–1, a roughly 200-point hard Elo advantage.
Clear favourite · Pegula J. clearly ahead, but no certainty
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.
Averages over each player's completed matches in the selected window (36 vs 28). ATP, WTA & Challenger.
Each player's serve crossed against the other's return, converted to expected hold of serve. Recent completed matches, ATP, WTA & Challenger. About
Performance in the biggest moments — break points, deciding sets and tiebreaks (0–100, higher is better). About
Kalinskaya A.: 2 days rest · 1 match, 17 games (7d). Higher means fresher. About
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2026-01-04 | Brisbane | R32 | hard | Jessica Pegula | 6-2 2-6 6-4 |
| 2025-05-18 | Strasbourg | R16 | clay | Anna Kalinskaya | 4-6 6-4 6-2 |
| 2025-03-18 | Miami | R32 | hard | Jessica Pegula | 6-7 6-2 7-6 |
| 2024-06-17 | Berlin | F | grass | Jessica Pegula | 6-7 6-4 7-6 |
| 2019-07-29 | Washington | SF | hard | Jessica Pegula | 6-3 3-6 6-1 |
Per-surface Serve / Return Rating (0–100, percentile within the hard field, opponent-adjusted over 52 weeks). About