Williams will take on Azarenka in the semifinals, who triumphed against Mertens 6-1, 6-0.
In 2014, Wang won the women's singles tennis title in the Incheon Asian Games. Enditem
Kicking off on Saturday, the two-day event also included a 5km run, a 1km run, and a 0.2 km children's run.
"We struggled to create scoring chances today. No opportunities? Yes, I agree. But we have a small group, and we are missing the players who make the difference."
DALIAN, Sept. 13 (Xinhua) -- Guangzhou Evergrande coach Fabio Cannavaro marked his 47-year-old birthday with a victory as his team beat Shandong Luneng 2-1 on Sunday, while Jiangsu Suning drew with Guangzhou R&F 3-3.
Volunteers simulated a series of operations including trauma rescue, emergency relief and transporting the wounded by helicopter during the drill.
"Our players are not in good forms. We need to make adjustment before our next matchday," Xie added.
Ribamar Lopes put the visitors ahead from close range after some shambolic Botafogo defending but Matheus Rabi equalized with a 25-yard drive just after half time.
Additionally, the AFC U-16 and AFC U-19 Championships, scheduled for Bahrain and Uzbekistan this year, have been postponed to early 2021.
It was the third upset of a seeded team for Siegemund and Zvonareva during the fortnight, having knocked off No.7 seeds Victoria Azarenka and Sofa Kenin in the second round before a stunning win over second seeds and defending champions Elise Mertens and Aryna Sabalenka in the quarterfinals.
The tournament, attracting more than 800 primary and secondary school students, will last for about half a month and roll out more than 90 matches. It is the first sports competition for the school students of Guiyang this year.