Yanina Wickmayer defeated Katie Boulter 6-3 6-2 in the W100 Surbiton 1 semi-final on grass. The upset overturned the form book — Katie Boulter came in ranked #71, leading the head-to-head 2–0, but Yanina Wickmayer had been the form player, winning 2 of their last 4 on grass. Yanina Wickmayer claimed a first win over Katie Boulter in three meetings, narrowing the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2022-11-03 | W100 Shrewsbury 1 | R16 | hard | Katie Boulter | 7-5 7-5 |
| 2018-06-11 | Nottingham | R32 | grass | Katie Boulter | 6-4 6-4 |
Averages over each player's completed matches in the selected window (97 vs 200). ATP, WTA & Challenger.
Performance in the biggest moments — break points, deciding sets and tiebreaks (0–100, higher is better). About
Boulter K.: 4 days rest · 2 matches, 46 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