In an absorbing third round match, 23-time Grand Slam winner Williams rallied to defeat 2017 US Open winner Sloane Stephens 2-6, 6-2, 6-2 in one hour and 43 minutes, while second seed Kenin also faced a tough challenge in a straight sets win over Ons Jabeur of Tunisia.
"I personally feel like it's an obligation to qualify," the 58-year-old Argentinian told reporters. "I play to win and I don't take losing particularly well."
Slovenia's Roglic arrived with the leading group to remain 21 seconds ahead of defending champion Egan Bernal on the overall standings.
"At the start of the season I was in great shape physically and mentally, I was ready to dominate track but unfortunately COVID-19 slowed me down. With Ostrava meeting opportunity now here, I will give it my best," said Chelangat who still harbors an Olympic Games ambitions next year.
Four-time CBSL champion Qingdao then took straight wins in the women's singles, women's doubles and men's singles, before Anhui defended some honor in the men's doubles as Liu Yi/Zhou Ziyi cruised past Guo Xinwa/Yu Jiajia 11-8, 11-8, 11-8.
The result at Morumbi stadium marked Sao Paulo's fourth victory in five matches and lifted the Tricolor to second, a point behind Internacional.
Orient Xiamen is a 6,342-yard, par-72 layout designed by Ronald Fream and TK Pen
"If we can exert our speed and strength, we young players are able to beat experienced ones in the 11-point competition system," said Han Qianxi.
RABAT, Sept. 8 (Xinhua) -- The Moroccan football team will face Senegal and the Democratic Republic of the Congo in friendly matches on October 9 and 13 respectively.
The group testing sessions will include some advance-notice testing, where the main focus will be on building the profiles of athletes for the Athlete Biological Passport (ABP) program.
The men's hammer throw was a battle between two Polish competitors, with Pawel Fajdek beating Wojciech Nowicki with his best of 79.81m. Alexandra Tavernier of France won the women's event after she threw 74.12m.