Ann Li vs Kimberly Birrell — Nottingham Round of 32
USA
Li A.
Ann Li faces Kimberly Birrell in the Nottingham round of 32 on grass. Ann Li holds the paper edge — ranked #29, leading the head-to-head 2–0.
Win Probability
Pre-match · updated 19:20 UTC50–58%
58–67%
67–80%
80%+
Toss-up · Too close to call
Calibrated model · 65% favourite accuracy (2025–26, out-of-sample). Probability is a statistical estimate, not a certainty. How it works.
Key context
- Freshness: Workload contrast: Ann Li 0 games in 14 days, Kimberly Birrell 40.
- Head-to-head: Ann Li leads the head-to-head 2–0; this is their first meeting on grass. Last met at Miami 2026.
- Stage: Kimberly Birrell defends last year's round of 32.
Umpiry Score
Pre-matchThe Umpiry Score combines match-context factors — matchup, form, fatigue, travel and motivation — into a single 0–10 score, updated daily. Read how it works.
Form trajectory
Direction of recent form — results vs Elo expectation blended with serve/return vs each player's baseline, over the last few months. About
Statistics
This seasonAverages over each player's completed matches in the selected window (18 vs 27). ATP, WTA & Challenger.
Serve vs return
This seasonEach player's serve crossed against the other's return, converted to expected hold of serve. Recent completed matches, ATP, WTA & Challenger. About
Clutch
Under pressurePerformance in the biggest moments — break points, deciding sets and tiebreaks (0–100, higher is better). About
Freshness
Recent loadLi A.: 17 days rest · Birrell K.: 1 day rest · 2 matches, 40 games (7d). Higher means fresher. About
Conditions
Head to head
2–0| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2026-03-17 | Miami | R128 | hard | Ann Li | 6-2 2-6 6-3 |
| 2025-01-27 | Singapore | QF | hard | Ann Li | 7-6(2) 7-6(4) |