 At Wimbledon, American Taylor Fritz, the men's No. 13 seed, defeated German Alexander Sferov, the No. 4 seed, in five sets Monday, winning the last three after losing the first two. The win puts Fritz into the quarterfinals, or a round of eight. Also Monday, the No. 2 seed, Serbia's Novak Djokovic, beat Holger Ruhn of Denmark in straight sets.