Reilly Opelka vs Ethan Quinn: AI Prediction | Games, Spread, Aces & Double Faults

Opelka arrives ranked 67 with an Elo of 1679.9 and a form index of 52.25; his surface strength index on clay is modest at 38.90 and he is fresh in this event with zero minutes of cumulative court time. Quinn, ranked 54, posts a similar form index (53.85) but a lower Elo (1616.0) and a higher clay comfort score (42.29). Fatigue is a clear differentiator: Quinn has already logged 196 minutes in Barcelona, which could sap his legs on a physically demanding surface. Both players carry elite serve metrics — mean serve indexes of 97.85 (Opelka) and 96.77 (Quinn) — so neither holds a decisive serve-rating advantage. Where Quinn stands out is his return profile: a mean return index of 88.29 versus Opelka’s 47.04, a large gap that suggests Quinn can apply pressure on serve games if he is moving well. Recent form underpins the matchup: Opelka has two wins and a loss in his last three (all on hard court in Miami), including a tight three-seter; Quinn has won his two clay matches in Barcelona (including a 133-minute grinder) after a loss in Monte Carlo, which explains his accumulated fatigue.