Kimiko Date Krumm defeated Samantha Stosur 5-7 6-3 7-6 in the Osaka quarter-final on hard. The upset overturned the form book — Samantha Stosur came in leading the head-to-head 2–0, defending the title, but Kimiko Date Krumm had been the form player, winning 2 of their last 6 on hard. Kimiko Date Krumm claimed a first win over Samantha Stosur in three meetings, narrowing the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2013-09-23 | Tokyo | R32 | hard | Samantha Stosur | 6-3 7-6(2) |
| 2013-05-27 | Roland Garros | R128 | clay | Samantha Stosur | 6-0 6-2 |
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 (143 vs 197). ATP, WTA & Challenger.
Performance in the biggest moments — break points, deciding sets and tiebreaks (0–100, higher is better). About