Filip Horansky defeated Mario Vilella Martinez 3-6 6-3 6-1 in the Meerbusch CH round of 16 on clay. The upset overturned the form book — Mario Vilella Martinez came in leading the head-to-head 2–1. Filip Horansky narrowed the head-to-head to 2–2.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2021-05-31 | Roland Garros | Q2 | clay | Mario Vilella Martinez | 6-2 6-3 |
| 2021-05-26 | Roland Garros | Q64 | clay | Mario Vilella Martinez | 6-2 6-3 |
| 2020-02-17 | ATP Rio de Janeiro | Q1 | clay | Filip Horansky | 7-6 6-3 |
Averages over each player's completed matches in the selected window (200 vs 177). 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