Misaki Doi defeated Polona Hercog 6-7 6-4 6-4 in the Rome q32 on clay. The upset overturned the form book — Polona Hercog came in leading the head-to-head 3–2, but Misaki Doi had been the form player, winning 4 of their last 5 on clay. Misaki Doi narrowed the head-to-head to 3–3.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2021-03-07 | Dubai | R64 | hard | Misaki Doi | 6-2 4-6 6-3 |
| 2019-03-18 | Miami | R64 | hard | Polona Hercog | 7-6 6-4 |
| 2016-06-20 | Eastbourne | R64 | grass | Misaki Doi | 6-4 6-4 |
| 2015-04-06 | Katowice | R32 | hard | Polona Hercog | 6-0 3-6 6-2 |
| 2010-05-24 | Roland Garros | R128 | clay | Polona Hercog | 6-3 6-0 |
Averages over each player's completed matches in the selected window (198 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