Vania King defeated Samantha Stosur 7-5 6-4 in the US Open round of 64 on hard. The upset overturned the form book — Samantha Stosur came in leading the head-to-head 1–0, defending last year's round of 128, but Vania King had been the form player, winning 2 of their last 6 on hard. Vania King claimed a first win over Samantha Stosur in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2008-09-29 | Japan Open | R32 | hard | Samantha Stosur | 6-2 0-0 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 (199 vs 197). ATP, WTA & Challenger.