However, it was Liverpool who added a third to seal the game thanks to new signing Jota, who scored 10 minutes after making his debut after another cross from the right.
Ninth seed Denis Shapovalov of Canada crashed out after suffering a shock defeat to Roberto Carballes Baena of Spain.
Real Sociedad ruined Elche's return to the top flight as they won 3-0 in Elche's Martin Valero stadium, with all the goals coming in the second half.
Teda was one of five teams with a new manager during the first stage and ultimately fell well short of expectations. An embarrassing record of 3 draws and 11 defeats in the first stage meant the coastal side were the only winless team.
Monchengladbach sporting director Max Eberl called his club's group exciting "as we face Europe's top dogs." Leipzig coach Julian Nagelsmann might face the biggest challenge to repeat his side's semifinal performance last season, with key figures Timo Werner and Patrik Schick having left the club. Enditem
The win saw PSG move up to the seventh place on the standings, only four points behind leader Rennes, while Reims still sits second from bottom after suffering four defeats in a row.
Barca are still working in the transfer market, however, with Ousmane Dembele now linked to a move to Manchester United as the club chases Memphis Depay - a personal request of Koeman's.
The only two drivers to retire from the race both did so after separate incidents on lap 1. Carlos Sainz misjudged the angle of the barrier at Turn 2 and broke his McLaren's front suspension, while the Racing Point of Lance Stroll was pitched into a spin by Leclerc and hit the wall.
Only some excess baggage problems may have affected Manuel Neuer (goalkeeper of the year award), Joshua Kimmich (defender), Robert Lewandowski (forward), and Hansi Flick (coach) on their way back to Germany after winning most of UEFA's season awards.
Seventh seed Petra Kvitova of the Czech Republic is also through after she overcame Jasmine Paolini of Italy 6-3, 6-3.
Cedric Bakambu finished second with a stunning strike in the 27th minute after a goal was disallowed for offside in the opening time.