In the men's singles, both second seed Dominic Thiem of Austria and third seed Daniil Medvedev of Russia advanced into the fourth round. Thiem conquered former US Open champion Marin Cilic of Croatia 6-2, 6-2, 3-6, 6-3, while Medvedev made light work of local player Jeffrey Wolf, winning 6-3, 6-3, 6-2.
"It's a great result for Wolf because in my first four majors I only won one match," Medvedev said. "In his first one he has already won two, so I'm sure he's going to be climbing up the rankings and playing good."
"I've been playing well the past couple of weeks, training well, focussing on the right things, maintaining that level of performance and hoping for the best. I'm feeling confident about my game and taking that to every match I play."
Shanghai-based Oriental Sports Daily doubted the Brazilian player had time to go through any kind of medical quarantine.
Old dogs such as Toni Kroos (30/Real Madrid) and Manuel Neuer (34/Bayern Munich) might be an exception as they are pillar upon which he can build on.
Yellow jersey holder Yates survived several attacks to finish in a group containing many of the title favorites, which also helped him secure his leading place in the title race.
Banka said his focus is "absolutely" on the welfare of athletes, and that the anti-doping system that "has served clean athletes" must be protected.
"But we are optimistic because we know we can do it because we have a fantastic partnership with Tokyo and an equally strong partnership with Beijing," he added.
Reigning champion Barty said there were two reasons for her decision to skip the clay-court tournament, which is scheduled to take place in Paris from September 27 to October 11.
Williams's ambition of securing a record-equaling 24th Grand Slam title remains alive as she moved into the women's quarterfinals after an immensely hard-fought 6-3, 6-7 (6), 6-3 victory over Maria Sakkari of Greece, while Thiem had a much easier time with a 7-6 (4), 6-1, 6-1 win against Canadian rising star Felix Auger-Aliassime in the men's draw.
The Chinese Football Association (CFA) has introduced measures to deal with agents that disrupt the transfer order. Agents who break the regulation could receive a life-time ban from football activities.