Pippa Middelton was back at Wimbledon. So was a dominant Serena Williams.

Chris Chase
Busted Racquet

Pippa Middleton made a return to Wimbledon's Centre Court and saw Serena Williams do the same.

The four-time Wimbledon champion played a dominant two sets in front of Princess Kate's sister, defeating Melinda Czink 6-1, 6-4 in a second-round match.

Serena lost seven points on serve and didn't face a break point during the match. She took the first set in 20 minutes, hit 10 aces and won 96 percent of first-serve points.

"It was great to be back on Centre Court," Serena said, perhaps referring to the pageantry of the stadium or maybe letting it be known that she didn't appreciate being stuck on Court 2 for her first-round match. "It's amazing and I served really well."

Maria Sharapova was also in action on Wednesday. The world No. 1 struggled as her second-round match against Tsvetana Pironkova continued after it was halted Wednesday for darkness, but she rebounded mightily in the third set, winning 6-0. Sharapova is 12-1 this year in three-set matches.

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