Wimbledon 2013: Juan Martin del Potro concerned about knee after entering Round 4
Associated Press

Wimbledon 2013: Juan Martin del Potro concerned about knee after entering Round 4

Del Potro overcame a scary late fall to beat Grega Zemlja of Slovenia 7-5, 7-6 (3), 6-0 on Saturday, but said he twisted his ankle and hyper-extended his knee.

Wimbledon 2013: Angry Grigor Dimitrov crashes out as Maria Sharapova looks on
Agence France-Presse

Wimbledon 2013: Angry Grigor Dimitrov crashes out as Maria Sharapova looks on

The Bulgarian 29th seed, watched by girlfriend Maria Sharapova, staged a temporary sit-down protest to register his anger at court conditions during his 3-6, 7-6 (7/4), 3-6, 6-4, 11-9 defeat to Slovenia's Grega Zemlja in the 2nd Round.

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