"Nicolo Zaniolo will undergo surgery on Wednesday after MRI scans on Tuesday confirmed the player has suffered a complete tear to the anterior cruciate ligament of his left knee," read a statement of Roma.
Ruichang remains at second in the overall standings despite the win, while four-time CBSL champion Qingdao still leads the table.
"Right now I'm really focused on the US Open, and nothing else I can think about right now," said Williams, who won six of her 23 Grand Slam singles titles at the US Open.
There were also third round wins for Belgian star Elise Mertens, Belarussian veteran Victoria Azarenka and France's Alize Cornet.
Despite the easy win, the Russian star said his opponent has a bright future.
Wu Haodong/Wang Chang overcame Deng Jiaqiang/Wu Tuobin 11-7, 11-6, 8-11, 11-3 to take the first point for Zhejiang in the opening men's doubles, before Lei Lanxi beat Ren Pengbo in the men's singles to tie the match for Shenzhen.
Qingdao continue leading in the standings after nine games, with Ruichang ranking second by sweeping Shenzhen 5-0 on Sunday.
After months of preparation, the ITTF announced the return of table tennis to the international arena and named it RESTART.
"Our director was against the idea at first, but we did this once in 2013 and it worked, I won," said Sagan, who finished 13th after his bike lost its chain in the sprint. Enditem
In the men's singles, Russian players Daniil Medvedev and Andrey Rublev joined Thiem in the last eight while Australia's Alex De Minaur also advanced. Enditem
The veteran opened the score by firing a freekick before the break, then added a second by curling home from the edge of the penalty area in the 73rd minute.