Novak Djokovic won his fourth Key Biscayne title, while Rafael Nadal failed again trying for his first.
Serena Williams won a record seventh Key Biscayne title Saturday when she overcame a slow start and a set point to beat Li Na 7-5, 6-1 at the Sony Open.
No. 1-ranked Rafael Nadal and No. 2 Novak Djokovic advanced to the Sony Open final without playing a point Friday.
Novak Djokovic advanced to the Sony Open final when Kei Nishikori withdrew less than two hours before their semifinal Friday.
Novak Djokovic benefited from an erroneous call and claimed he didn’t realize he had broken the rules. When Andy Murray walked to the net and challenged him about it, Djokovic responded with a shrug and a sheepish smile.
Two-time Key Biscayne champion Andy Murray advanced to the fourth round at the Sony Open by beating familiar foil Feliciano Lopez 6-4, 6-1 Sunday.
One point from victory, Maria Sharapova chased after a shot in the corner but couldn’t reach it, so she had to keep playing.
Roger Federer earned the only break of the match in the opening game, lost just three points on his serve and beat Ivo Karlovic 6-4, 7-6 (4) Friday at the Sony Open.
No. 2-seeded Li Na reached the third round of the Sony Open when Alisa Kleybanova withdrew Friday because of a viral illness.
Trailing in the first set of her first match at the Sony Open, Serena Williams grunted with every shot and screamed with every point she won.