

Casper Ruud defeated Reilly Opelka 7-6 7-5 in the Geneva semi-final on clay. The result followed the form book — Casper Ruud came in ranked #13, leading the head-to-head 4–2, defending the title. Casper Ruud extended the head-to-head to 5–2.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2025-09-19 | Laver Cup | RR | hard | Casper Ruud | 6-4 7-6 |
| 2021-09-24 | Laver Cup | RR | hard | Casper Ruud | 6-3 7-6 |
| 2021-08-16 | Cincinnati Masters | R32 | hard | Casper Ruud | 6-7 6-0 7-6 |
| 2019-04-08 | Houston | R16 | clay | Casper Ruud | 4-6 6-4 6-4 |
| 2017-01-16 | Australian Open | Q3 | hard | Reilly Opelka | 7-6 6-3 |
| 2017-01-14 | Australian Open | Q32 | hard | Reilly Opelka | 7-6(2) 6-3 |
Averages over each player's completed matches in the selected window (199 vs 118). ATP, WTA & Challenger.
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 clay field, opponent-adjusted over 52 weeks). About