Christina Mchale defeated Polona Hercog 1-6 7-6 6-3 in the Quebec City quarter-final on hard. Christina Mchale extended the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2019-06-10 | S-Hertogenbosch | R32 | grass | Polona Hercog | 6-4 6-4 |
| 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 (200 vs 200). ATP, WTA & Challenger.