Polona Hercog defeated Monica Puig 6-3 6-1 in the Beijing q16 on hard. The upset overturned the form book — Monica Puig came in leading the head-to-head 2–1, defending last year's round of 64. Polona Hercog narrowed the head-to-head to 2–2.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2018-09-22 | Wuhan | Q16 | hard | Monica Puig | 6-4 6-4 |
| 2016-08-08 | Olympics | R64 | hard | Monica Puig | 6-3 6-2 |
| 2013-09-30 | Beijing | R64 | hard | Polona Hercog | 6-1 6-4 |
Averages over each player's completed matches in the selected window (200 vs 200). ATP, WTA & Challenger.
Each player's serve crossed against the other's return, converted to expected hold of serve. Recent completed matches, ATP, WTA & Challenger. About