Reilly Opelka defeated Leonardo Mayer 5-7 7-6 6-3 in the Roland Garros q64 on clay. The upset overturned the form book — Leonardo Mayer came in defending last year's round of 128. Reilly Opelka extended the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2019-03-04 | Indian Wells Masters | R128 | hard | Leonardo Mayer | 7-6 7-6 |
| 2017-05-29 | Roland Garros | Q2 | clay | Reilly Opelka | 5-7 7-6 6-3 |
Averages over each player's completed matches in the selected window (200 vs 151). 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