Reilly Opelka defeated Borna Coric 4-6 6-3 7-5 in the Cincinnati Masters round of 64 on hard. The upset overturned the form book — Borna Coric came in leading the head-to-head 1–0, defending last year's round of 32, but Reilly Opelka had been the form player, winning 2 of their last 4 on hard. Reilly Opelka claimed a first win over Borna Coric in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2020-10-12 | St Petersburg | QF | hard | Borna Coric | 7-6(3) 6-3 |
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.