Samantha Stosur defeated Kaia Kanepi 6-3 6-2 in the Madrid round of 32 on clay. The upset overturned the form book — Kaia Kanepi came in leading the head-to-head 2–1, defending last year's round of 64. Samantha Stosur narrowed the head-to-head to 2–2.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2014-08-25 | US Open | R64 | hard | Kaia Kanepi | 3-6 6-3 7-6(8) |
| 2013-10-14 | Moscow | R32 | hard | Samantha Stosur | 6-3 6-1 |
| 2010-06-21 | Wimbledon | R128 | grass | Kaia Kanepi | 6-4 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 (197 vs 199). ATP, WTA & Challenger.