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Sabine Lisicki from Germany returns the ball during the match against Austria's Sybille Bammer at the German Open tennis tournament in Berlin,Wednesday, May 7, 2008. (AP Photo/Miguel Villagran Stock Photo - Alamy
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US tennis player Serena Williams returns the ball during the match against Francesca Schiavone from Italy at the German Open tennis tournament in Berlin, Tuesday, May 6, 2008. (AP Photo/Miguel Villagran Stock
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