andrea petkovic

Andrea Petkovic calls national anthem flub 'epitome of ignorance'
The USTA has apologized for an incident on Saturday in which an outdated stanza of the German national anthem was sung before the Fed Cup match between the U.S. and Germany.
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Serena Williams cruises into third round of French Open
Serena Williams escapes after losing first set; Caroline Wozniacki falls
No. 1 Serena Williams rolls in return
Maria Sharapova reaches French final
Andrea Petkovic, Simona Halep win
Simona Halep ousts Sloane Stephens