"One can't understand it," Flick said when criticizing UEFA's decision to choose the venue and allowing up to 20,000 spectators.
Midfielder Adil Aouchiche opened the score for the Greens only two minutes into the game after slotting home Yvan Neyou's cross. Left back Yvann Macon extended the lead in the 66th minute but the hosts responded quickly as Moses Simon pulled one back only five minutes later, before Renaud Emond levelled the score for Nice five minutes before the final whistle.
All three are asymptomatic.
"We will apply the same rules at Roland Garros as elsewhere. We will go from 5,000 to 1,000," he told France 2 TV.
Given those circumstances, Bartomeu will probably breathe a small sigh of relief there will be no fans in the ground for the league debut, because he would certainly receive a chorus of boos and whistles. As things are Koeman has to create a positive atmosphere in the side with Messi, who is clearly unhappy and in no mood to hide his feelings.
Betis are another team with two wins from two games after Nabil Fekir's penalty after 10 minutes and William Caravalho's powerful drive from outside the area eight minutes later gave the team from Seville a comfortable 2-0 victory against Valladolid and maintain new coach Manuel Pellegrini's perfect start.
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."
Martinez is unlikely to make many changes to the side that beat Alaves on Sunday with Darwin Machis and Roberto Soldado leading the attack, while veteran striker Jorge Molina will also play a part at some point in the game.
The formal consultation for the stadium at Bramley-Moore Dock is part of the legal process ahead of Liverpool City Council's planning authority making a decision before the end of this year.
The 30-year-old title favorite Roglic, however, had to finished second, 59 seconds behind, after having worn the yellow jersey for 13 days, while Australia's Richie Porte, 35, took the third place on the podium.
Uruguay will meet Chile in Montevideo and Argentina face Ecuador in Buenos Aires in other opening day fixtures.