Sebastian Korda defeated John Isner 6-3 4-6 6-3 in the Delray Beach quarter-final on hard. Sebastian Korda extended the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2022-08-15 | Cincinnati Masters | R16 | hard | John Isner | 7-6(3) 1-6 7-6(4) |
| 2020-09-28 | Roland Garros | R64 | clay | Sebastian Korda | 6-4 6-4 2-6 6-4 |
Each player's serve crossed against the other's return, converted to expected hold of serve. Recent completed matches, ATP, WTA & Challenger. About
Per-surface Serve / Return Rating (0–100, percentile within the hard field, opponent-adjusted over 52 weeks). About
Averages over each player's completed matches in the selected window (198 vs 98). ATP, WTA & Challenger.