World No. 1 Novak Djokovic of Serbia fought off tough resistance from Spaniard Fernando Verdasco in the second round to reach the quarterfinals of the China Open on Thursday.
Spaniard Rafael Nadal and Chinese number one Li Na both showed battling quality to advance into next round at the China Open on Wednesday.
Rafael Nadal of Spain made winning start at the China Open as he swept past Santiago Giraldo of Columbia 6-2, 6-4 to set a second-round clash with German Philipp Kohlschreiber.
World number one Serena Williams and home favorite Li Na both reached last 16 at the ongoing China Open on Tuesday but they followed different paths in respective second round matches.
Zhang Shuai grinned widely as she held up her first WTA tournament trophy. Beating her final opponent Vania King 7-6 (1), 6-1 on Saturday, the wild card player surprised everyone by winning every match in two sets in the WTA Guangzhou Open.
China's uprising star Zhang Shuai upset veteran Peng Shuai in the first round of the China Open on Monday, winning the China derby in just one hour and 18 minutes.
Defending champion and world No 2 Victoria Azarenka of Belarus became the biggest seed casualty at the China Open as she was upset by German Andrea Petkovic at the opening round on Monday.
Both Chinese men in the 2013 China Open ended up on opposite sides when the draw was set Saturday afternoon at the National Tennis Center.
The former champions at China Open
World number one Serena Williams and home-favored Li Na both powered into second round with easy wins while third seed Agnieszka Radwanska was given an early scare at the China Open on Sunday.
Venus Williams's strong run in the Pan Pacific Open came to an end with a narrow semi-final defeat to seventh seed Petra Kvitova on Friday.
Tiger Woods was named on Friday as the PGA Tour's Player of the Year for a record 11th time with fellow-American Jordan Spieth voted rookie of the year.