"Living and training here every day, shut out from the outside world, the athletes were in low spirits. There was also a potential crisis because it was hard for them to fully mobilize themselves, so their training efficiency and their self-discipline were affected," he said, adding that public attention might help top athletes keep their motivation up.
There were also many hand sanitizing points and people were asked to keep two meters distance from one another.
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.
European champion Laura Muir was unstoppable in the women's 1,500m, continuing her momentum following a big win in Oslo two weeks ago. The Briton clocked 3:58.24, followed by Sofia Ennaoui of Poland and Romania's Claudia Bobocea.
Williams said: "It was intense I have to say. We always have some really incredible matches and it brings out the best of my fitness when I play Sloane. I tried to stay calm and be more serene after the loss of the first set. I knew it was important for me just to keep trying, just to keep going."
Barca is not willing to give up on Messi, especially not for free.
The organizers designed a route with a 17km climb before the finish line, which seemed like it might bring about some interesting developments on the rugged, narrow mountain road.
Georgia's Iuri Tabatadze(L) vies with France's Christ-Emmanuel Maouassa during the qualifying match of European U21 Championships 2021 between Georgia and France in Gori, Georgia, Sept 4, 2020. (Xinhua/Kulumbegashvili Tamuna)
In the 69th minute, the Shenzhen side got another scoring opportunity. However, Harold Preciado's close-range shot was saved by Shenhua goalkeeper Zeng Cheng, and then John Mary's follow-up header hit the woodwork once again.
But on September 4, the striker published a video message confirming that he would remain at the club for the 2020-21 season to see out the remaining year of his contract.
Wang's coach Zhu Zhigen, who is also in charge of the Zhejiang team, acknowledged that the COVID-19 outbreak was mentally challenging for athletes.