
Reilly Opelka defeated Dominik Koepfer 7-6 3-6 7-6 in the Dallas CH quarter-final on hard. The upset overturned the form book — Dominik Koepfer came in leading the head-to-head 3–1, defending last year's quarter-final. Reilly Opelka narrowed the head-to-head to 3–2.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2022-01-17 | Australian Open | R64 | hard | Reilly Opelka | 6-4 6-3 7-6(4) |
| 2021-06-28 | Wimbledon | R128 | grass | Dominik Koepfer | 6-4 7-6(3) 6-2 |
| 2021-05-03 | Madrid Masters | R64 | clay | Dominik Koepfer | 6-4 6-4 |
| 2019-08-26 | US Open | R64 | hard | Dominik Koepfer | 6-4 6-4 7-6(2) |
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 (199 vs 200). ATP, WTA & Challenger.
Performance in the biggest moments — break points, deciding sets and tiebreaks (0–100, higher is better). About