Yanina Wickmayer defeated Alla Kudryavtseva 6-1 6-2 in the US Open round of 128 on hard. The upset overturned the form book — Alla Kudryavtseva came in leading the head-to-head 1–0, defending last year's round of 128. Yanina Wickmayer claimed a first win over Alla Kudryavtseva in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2011-08-29 | US Open | R64 | hard | Alla Kudryavtseva | 6-1 3-0 RET |
Each player's serve crossed against the other's return, converted to expected hold of serve. Recent completed matches, ATP, WTA & Challenger. About
Averages over each player's completed matches in the selected window (200 vs 187). ATP, WTA & Challenger.
Performance in the biggest moments — break points, deciding sets and tiebreaks (0–100, higher is better). About