Later on Thursday, Beijing also celebrated a 3-0 (25-16, 25-15, 25-21) victory against Yunnan.
Andreescu, the 2019 US Open champion, missed the opening months of the year because of a knee injury before the pandemic forced the suspension of the sport.
The Serb said he did not play his best tennis this time in Rome, but could find it when needed.
The Rossoneri underwent the second round of tests after the positive result of center-back Leo Duarte, and then confirmed Ibrahimovic's diagnoses.
Bayern chairman Karl-Heinz Rummenigge announced the club is taking all possible actions to avoid infection among fans "as we don't want to increase the cases we already have in Munich."
Instead, goals were scored at the other end of the pitch, as Lucas Tousart's foul on Sebastian Rode allowed Daichi Kamada to curl the subsequent free-kick into the path of Bas Dost, who nodded home from close range in the 36th minute.
In Friday's only other fixture, Bolivia's Jorge Wilstermann secured a 3-0 home win over Uruguayan side Penarol. Enditem
If Flamengo's secondary samples prove positive, the players will be isolated for 14 days before being tested again, according to CONMEBOL guidelines.
This Tuesday, the squad refused to attend training after 32-year-old Adam Szalai was excluded from the team due to what the club termed sporting reasons.
"We know that nobody can ignore the importance of Paolo, but we have to try replace him and the national team has responded," Gareca told reporters in a virtual press conference.
ROME, Sept. 21 (Xinhua) -- Novak Djokovic won a record 36th Masters crown as he beat Diego Schwartzman in the men's final of the ATP Italian Open on Monday.