Serbia's second seed Novak Djokovic muscled out Kevin Anderson of South Africa with two straight sets in the quarterfinals at Miami ATP Masters 1000 on Wednesday night.
China's Zheng Jie was ousted by Australian Roland Garros finalist Samantha Stosur 6-2, 6-1 in the second round of the WTA and ATP Miami Masters on Thursday.
China's Zheng Jie on Tuesday defeated Romania's Sorana Cirsteain in the first round of the WTA and ATP Masters Miami hardcourt tournament.
Top seed Caroline Wozniacki held off a spirited fightback by Frenchwoman Marion Bartoli to win her 14th WTA title with a 6-1 2-6 6-3 victory in the Indian Wells final on Sunday.
Novak Djokovic claimed his third ATP World Tour title in a perfect season by beating top-seeded Spaniard Rafa Nadal 4-6 6-3 6-2 in the final of the Indian Wells ATP tournament on Sunday.
Novak Djokovic eased into the Indian Wells semi-finals with a 6-2 6-4 victory over Frenchman Richard Gasquet on Friday, extending his perfect record this season to 16-0.
China's Peng Shuai fell just short of pulling off her fifth straight victory at the WTA Indian Wells hardcourt tournament and reaching her third semi-final of the year on Thursday.
Top seed Caroline Wozniacki advanced to the semi-finals in Indian Wells on Thursday when her opponent Victoria Azarenka of Belarus retired because of a hip injury when trailing 3-0.
Australian Open champion Novak Djokovic extended his perfect record this season to 15-0 by pounding his fellow Serb Viktor Troicki 6-0 6-1 to reach the quarter-finals at Indian Wells on Wednesday.
Clijsters pulled out of the Indian Wells WTA tournament on Tuesday because of a lingering shoulder problem.
Peng Shuai of China will face her counterpart Li Na, the Australian Open runner-up, in the tournament's second round match after her victory over Renata Voracova of Czech Republic at the opening match.
Andy Roddick sent the United States through to the Davis Cup quarter-finals on Sunday by dispatching Paul Capdeville 3-6 7-6 6-3 6-3 to give the Americans an insurmountable 3-1 lead over Chile.