Christina Mchale defeated Aleksandra Wozniak 6-3 6-7 6-4 in the US Open round of 128 on hard. The upset overturned the form book — Aleksandra Wozniak came in leading the head-to-head 2–0, defending last year's round of 128, but Christina Mchale had been the form player, winning 1 of their last 6 on hard. Christina Mchale claimed a first win over Aleksandra Wozniak in three meetings, narrowing the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2012-08-06 | Montreal | R16 | hard | Aleksandra Wozniak | 7-6(5) 6-3 |
| 2012-04-02 | Charleston | R64 | clay | Aleksandra Wozniak | 7-5 5-7 6-4 |
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 95). ATP, WTA & Challenger.
Performance in the biggest moments — break points, deciding sets and tiebreaks (0–100, higher is better). About