FIBA said Senegal would not attend the qualifiers in Belgrade after reporting coronavirus cases last week while in Germany for a tune-up game.
Spectators are required to wears masks while walking around the grounds but not while seated at the courts.
Nigeria will now be among 16 other teams that will compete in the mixed relay events at the Games in Japan.
A rugby player on Uganda’s national team has disappeared from his hotel in Monaco, where the team was isolated.
In the Euro2020 round of 16 matches played on Sunday, Czech Republic beat Netherlands 2-0 to advance while Belgium scraped past Portugal 1-0 to go to quarter finals.
The 22-year-old striker scored 27 goals in just 28 appearances for RB Salzburg who won their eighth consecutive title.
The world number two has earned a pre-Wimbledon confidence boost.
Denmark put up an impressive display to dump out Wales from the European competition.
Winger Robben, 37, returned to his boyhood club last year after a long and successful spell at Bayern Munich.
