Andrea Petkovic Win vs Shuai Zhang Caroline Wozniacki 2-0 Correct Score vs Varvara Lepchenko John Isner 3-0 Correct Score vs Yannick Maden Borna Coric 3-1 Correct Score vs Daniil Medvedev Pablo Carreno-Busta 3-1 Correct Score vs Radu Albot