In other games in the top-tier League A, Portugal beat Croatia 4-1 thanks to goals by Joao Cancelo, Diogo Jota, Joao Felix and Andre Silva. Portugal were missing Cristiano Ronaldo, who was out because of a toe infection.
Williams will take on Bulgaria's Tsvetana Pironkova, who overcame Alize Cornet of France 6-4, 6-7 (5), 6-3 in another round of 16 match.
Chen Siyan (70) and Yin Xiaowen (71) were the top amateurs at three-under par, tied for equal sixth with Miranda Wang Xinying (69) at seven strokes back.
In the other matches of the day, Xiamen Tefang edged Shenzhen Nankeda 4-1, while Zhejiang Nengyuan defeated Anhui Souyu 3-2. Enditem
The pandemic forced clubs to develop creative concepts to stay in close contact with fans and partners worldwide. "Virtual tours run by several clubs have been a great success," he added.
Shanghai-based Oriental Sports Daily doubted the Brazilian player had time to go through any kind of medical quarantine.
The 165-yard 16th hole proved the difference as Zhang three-putted on the way to a bogey four. Yin answered with a birdie two for a two-shot swing and a one stroke lead she would never relinquish in her bogey-free round.
British rider Adam Yates retained the yellow jersey and Peter Sagan took the green jersey.
Shenzhen will also face another huge loss in the clash with defending champions since Mary got a red card and was sent off the pitch in the stoppage time due to his aggressive language to Shanghai head coach Choi Kang-Hee.
"Ensuring a safe return to international table tennis has been our utmost priority ever since the pandemic broke out. We have managed to get events back up and running before the end of 2020," ITTF president Thomas Weikert said. Enditem
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.