In addition to the infected players, several Flamengo officials and members of the coaching staff - including head coach Domenec Torrent - have tested positive for the virus in the past week.
"We will be announcing a new rival on the same date as soon as possible," the entity said in a separate statement.
The second half saw David Silva make his home debut, coming on for Isak shortly after the hour, while Casemiro, Fede Valverde and youngster Marvin Park, making his Madrid debut, came on for Zidane's side with 20 minutes left to play.
The 22-year-old Lyu took a 2-0 lead but handed Selby several chances to end the game 2-2. It meant that Lyu finished second with one win and two draws.
"Lyu had a couple of chances to beat me 3-0 and again to beat me 3-1, so he'll be disappointed there because he'll feel he lost it rather than I won it, but he gave me chances and all I can do is to pick up the pieces, which I did," Selby told the tournament's website.
The Celta captain opened the scoring after receiving a pass from Nolito after 15 minutes in an entertaining match which saw Celta play some impressive football.
In the day's other match, South Korean striker Son Heung Min scored four goals as Tottenham produced a second half blitz to win 5-2 away to Southampton.
"As always, your encouraging words and support meant the world to me and I look forward to getting back on the court and competing for Canada next year," the 20-year-old added.
Chengdu broke the deadlock in the 52nd minute with a low drive from Serbian forward Nikola Djurdjic at close range to make it 1-0.
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.
He said that those events have shown that "we can organize safe sports events even without a vaccine."