Novak Djokovic was chasing a shot in his forehand corner when his left foot gave way and he tumbled to the court, landing on his left side as his racket went flying.
Something didn't look right about the tennis ball in Andy Murray's grasp and when he looked at it he discovered it was from the women's tour, not the men's.
Rafael Nadal issued a warning to tennis leaders Friday that the sport faces future troubles if equipment evolution makes speed and power dominant over skill and tactics.
Top-ranked Novak Djokovic made a strong start Friday in his quest for a third consecutive Miami Open title while Roger Federer's expected return from a two-month layoff was over before it started.
Roger Federer believes tennis does not face a major doping problem but voiced concern Thursday that drug testing protocols are not being taken seriously enough in certain parts of the world.
World No. 1 Serena Williams was forced to regroup but launched her bid for a ninth Miami Open crown Thursday by defeating U.S. compatriot Christina McHale 6-3, 5-7, 6-2.
World No. 1 Novak Djokovic backed off comments that men's tennis players should make more than women on Tuesday as Serena Williams and Andy Murray led a stinging chorus of criticism at the remarks.
The tournament director of the BNP Paribas Open who said women's pro tennis players "ride on the coattails of the men" resigned Monday night, ending his 29-year association with the event.
Novak Djokovic and Victoria Azarenka rolled to easy victories in the BNP Paribas Open on Sunday, with the top-ranked Serb collecting his record fifth title and Azarenka winning for the second time to get back into the world's top 10.
Novak Djokovic continued his recent mastery of Rafael Nadal on hard courts, winning 7-6 (5), 6-2 on his sixth match point Saturday to reach the BNP Paribas Open final for the third straight year.