Coric d. Opelka

Coric beat Opelka 7-6(3), 6-3 in the quarterfinals at the St. Petersburg Open - St. Petersburg. Coric won 71 of 122 points (58%). Coric hit 6 aces to 16 and won 86% of points behind the first serve (36/42) against 76% for Opelka. The second serve told: 83% won for Coric, 42% for Opelka. Coric converted 2 of 2 break points and saved 1 of 2 faced; Opelka converted 1 of 2. The match was played on indoor hard in Russia.