(Foto: © Getty Images)
Andrea Petkovic has reached the second round of the US Open with a surprising win over Nadia Petrova (WTA 16) of Russia. The 38th-ranked German beat the 17th seed in a third-set tiebreaker, winning 6:2; 4:6; 7:6 (7:4). In the next round Andrea faces 76th-ranked Bethanie Mattek-Sands (USA).