Maria Jose Martinez Sanchez defeated Samantha Stosur 7-6 7-5 in the Tournament of Champions round robin on hard. The upset overturned the form book — Samantha Stosur came in leading the head-to-head 3–0, but Maria Jose Martinez Sanchez had been the form player, winning 2 of their last 6 on hard. Maria Jose Martinez Sanchez claimed a first win over Samantha Stosur in four meetings, narrowing the head-to-head to 3–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2011-04-18 | Stuttgart | R32 | clay | Samantha Stosur | 7-5 6-1 |
| 2010-05-10 | Madrid | R32 | clay | Samantha Stosur | 7-6(2) 6-4 |
| 2010-03-08 | Indian Wells | QF | hard | Samantha Stosur | 6-3 7-6(7) |
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 (142 vs 197). ATP, WTA & Challenger.
Performance in the biggest moments — break points, deciding sets and tiebreaks (0–100, higher is better). About