WIMBLEDON, England (AP)—Ivo Karlovic of Croatia has withdrawn from the Olympics because of a foot injury, and he'll be replaced by Philipp Petzschner of Germany. Petzschner will face Lukas Lacko ...

Rafael Nadal beat Ivo Karlovic tonight in a compelling third-set tiebreaker, capping a 5-7, 6-1, 7-6 (7) victory. It wasn't tennis for the ages, but the match built to a knife-edge conclusion.