Polona Hercog defeated Christina Mchale 6-4 6-4 in the S-Hertogenbosch round of 32 on grass. The upset overturned the form book — Christina Mchale came in leading the head-to-head 2–0. Polona Hercog claimed a first win over Christina Mchale in three meetings, narrowing the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2013-09-09 | Quebec City | QF | hard | Christina Mchale | 1-6 7-6(4) 6-3 |
| 2009-08-31 | US Open | R128 | hard | Christina Mchale | 6-3 6-1 |
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 (176 vs 128). ATP, WTA & Challenger.