WIMBLEDON, England – All at once, there was a frenzy of activity at a wet and windy All England Club early Monday afternoon.

Top-seeded and 2004 Wimbledon champion Maria Sharapova, a big hitter in her own right, was overpowered in a 6-4, 6-3 loss to No. 15 Sabine Lisicki. Four-time title winner Serena Williams was locked in a three-set tussle against a wild-card entry from Kazakhstan who is ranked 65th but is responsible for the only perfect set in women’s professional tennis. Defending champion Petra Kvitova was trying to come back after dropping her opening set.

Oh, and over on Centre Court, there was the not-so-insignificant matter of 16-time Grand Slam champion Roger Federer’s medical time-
out to get treatment for his aching back.