
Reilly Opelka defeated John Millman 7-6 6-7 7-6 in the Delray Beach semi-final on hard. The upset overturned the form book — John Millman came in leading the head-to-head 3–0, but Reilly Opelka had been the form player, winning 4 of their last 7 on hard. Reilly Opelka claimed a first win over John Millman in four meetings, narrowing the head-to-head to 3–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2021-08-02 | Washington | R16 | hard | John Millman | 6-3 7-6 |
| 2021-06-14 | Queen's Club | R32 | grass | John Millman | 7-6 5-7 7-6 |
| 2019-09-30 | Tokyo | SF | hard | John Millman | 6-3 7-6 |
Averages over each player's completed matches in the selected window (127 vs 56). ATP, WTA & Challenger.
Performance in the biggest moments — break points, deciding sets and tiebreaks (0–100, higher is better). About
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