Although Liverpool's substitute goalkeeper Adrian was at fault for the opening goal, Villa picked holes time-after-time in the Liverpool back line and could have had an eighth when Watkins hit the bar in the last minute.
Rennes had the chance to win all three points in stoppage time but Steven Nzonzi's header hit the post.
Bayern grew into the game as the clock ticked, and Muller's goal was reversed by the video assistant referee before Lewandowski nodded home Serge Gnabry's cross to mark his 100th goal on home soil.
But the Spaniard again hit out at the weather conditions of the tournament, just like what he did on his arrival in Paris ten days ago, as the temperature had plummeted to 12 degrees when he played on the Court Philippe-Chatrier after midnight.
Colombia will face Venezuela in Barranquilla on Friday and Chile in Santiago four days later in the opening matches of South America's 2022 World Cup qualifying tournament. Enditem
Hertha responded well and shocked the Bavarians with the equalizer as new arrival Jessic Ngankam scored his debut goal one minute after his substitution.
Djokovic showed great sportsmanship in the match when rain fell down heavily on Galan's side of the court as the new Court Philippe-Chatrier roof was closing, the Colombian slipped over. Djokovic responded by calling a pause of the match until the conditions came back equal for both sides.
The South American zone's 2022 World Cup qualifiers had been scheduled to begin in late March but were postponed because of the coronavirus pandemic.
"If you impose yourself from the very beginning on the court, which I have in those first three matches here, then it makes it hard for them to really believe that they can come back and make a turnaround in the match," said the 2016 champion, who is seeking for an 18th Grand Slam title at Roland Garros.
Trencin entered the new season with a triumph thanks to a strong second period, scoring four goals and breaking its opponent Detva in the process.
Given his lack of a pre-season at Barca, it is logical Suarez still isn't up to speed and Atletico fans will hope that when he is 100 percent fit he will be able to get on the end of the few chances their side creates.