"These are strange moments, and it is difficult to accept, but you have to accept it," he insisted.
All three are asymptomatic.
Guoan now sits second in Group B with 25 points, with two rounds in the first stage remaining, and has booked a spot in Group C for the championship race.
In addition, a packed game schedule involving nine games in 38 days comes with his concerns about facing the 2020 Spanish Euro League winner in the Hungarian capital of Budapest, one of Europe's COVID-19 hotspots.
In the other match of Group C, Almoez Ali scored his third goal of the league to help Al Duhail SC beat Persepolis FC 1-0 and overtake the latter to lead the group.
"2021 is a landmark year for the sport and we remain committed to offering our fans, both old and new, the opportunity to watch world-class table tennis that is refreshed, re-energized and redefined," said Stephen Duckitt, WTT Event Strategy Director.
The 16-team CSL was split into two groups, with each group of eight teams based respectively in Dalian and Suzhou. Both groups will play 14 rounds in the first phase, which is to end next Monday.
Martinez's side are tight in midfield and defense, really dangerous from set pieces and have the experienced Roberto Soldado in attack; this week they have shown last season was no fluke. Enditem
However, Yu couldn't advance to the final as he failed to make the top eight in the physical tests held from September 22 to 23, according to the new rule of the championships.
The competition calendar will be confirmed, with the first proposal including 228 competition sessions across 19 matchdays. Based on the current plan, mixed doubles curling will be the first event two days before the opening ceremony while the women's 30km cross-country skiing wraps up the matches in the afternoon of the closing day.
DALIAN, China, Sept. 21 (Xinhua) -- Shanghai Shenhua and Jiangsu Suning played out a 0-0 stalemate in the 12th round of the Chinese Super League (CSL) here on Monday.