John Isner defeated Reilly Opelka 6-7 6-4 6-2 in the Atlanta semi-final on hard. The upset overturned the form book — Reilly Opelka came in leading the head-to-head 5–0. John Isner claimed a first win over Reilly Opelka in six meetings, narrowing the head-to-head to 5–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2022-04-04 | Houston | F | clay | Reilly Opelka | 6-3 7-6(7) |
| 2022-02-07 | Dallas | SF | hard | Reilly Opelka | 7-6(7) 7-6(22) |
| 2019-07-22 | Atlanta | R16 | hard | Reilly Opelka | 7-6(2) 6-7(5) 7-6(5) |
| 2019-02-11 | New York | SF | hard | Reilly Opelka | 6-7(8) 7-6(14) 7-6(4) |
| 2019-01-14 | Australian Open | R128 | hard | Reilly Opelka | 7-6(4) 7-6(6) 6-7(4) 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
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 (200 vs 199). ATP, WTA & Challenger.