John Isner defeated Albert Ramos 6-7 7-6 6-1 in the Rome Masters round of 64 on clay. The upset overturned the form book — Albert Ramos came in defending last year's round of 32. John Isner extended the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2019-03-18 | Miami Masters | R32 | hard | John Isner | 7-5 7-6(6) |
| 2018-05-14 | Rome Masters | R32 | clay | Albert Ramos | 6-7(5) 7-6(2) 7-6(5) |
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.