Four of the top five seeds including number one pick Samantha Stosur crashed out of the $500,000 WTA Guangzhou Open in the first round Tuesday, as the former US Open champion`s poor run of form continued.
World number one Serena Williams won a tense battle of U.S. Open champions by taming Australia`s Samantha Stosur 7-6 (7) 7-6 (7) on Wednesday to reach the third round of the Western and Southern Open in Cincinnati.
Fourth seed Maria Sharapova rallied for a 4-6 6-3 6-1 second-round win over Spain`s Garbine Muguruza while Serena Williams destroyed former U.S. Open champion Samantha Stosur as order and power was restored to the Rogers Cup in Montreal on Wednesday.
Fifteenth seeds Samantha Stosur and Nenad Zimonjic claimed the mixed doubles title with a 6-4 6-2 win against 14th seeds Chan Hao-Ching of Taiwan and Max Mirnyi of Belarus at Wimbledon on Sunday in the final match of the 2014 championships.
Top seed Ana Ivanovic breezed into the quarter-finals of the Aegon Classic in Birmingham, England with a 6-1 6-1 victory over American Lauren Davis on Thursday but second seed Samantha Stosur was knocked out.