

Lloyd Harris defeated Reilly Opelka 6-4 4-6 6-4 in the Shenzhen qualifying round 1 on hard. The upset overturned the form book — Reilly Opelka came in ranked #131. Lloyd Harris extended the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2021-08-30 | US Open | R16 | hard | Lloyd Harris | 6-7(6) 6-4 6-1 6-3 |
| 2021-08-09 | Canada Masters | R16 | hard | Reilly Opelka | 4-6 7-6(6) 7-6(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 (200 vs 199). ATP, WTA & Challenger.