On 18 February, the club sustained their first defeat in over three months, losing 2–1 against Tuchel's former club Dortmund in the first leg in the round of 16 in the Champions League. Under a month later, Tuchel guided the club to the last eight, overturning the deficit in a 2–0 victory at home in the second leg. This was the club's first game behind closed doors due to the COVID-19 pandemic; this was the reason the domestic league was canceled on 30 April, while their Champions League fixtures, the Coupe de France, and the Coupe de la Ligue finals were postponed. PSG returned to competitive football on 24 July, winning the Coupe de France after beating Saint-Étienne 1–0 in the final. The game was marred by Kylian Mbappé suffering an ankle sprain, which ruled him out for three weeks. On 31 July, PSG defeated Lyon 6–5 on penalties in the 2020 Coupe de la Ligue Final to complete a domestic quadruple. On August 12, PSG scored two late goals to beat Atalanta 2–1 in the quarter-finals of the Champions League, marking the club's first appearance in the semi-finals of the competition since the 1994–95 season. In the semi-final, PSG defeated RB Leipzig 3–0 to reach their first ever Champions League final, as well as their first European final since 1997. They would go onto lose the match by a single goal to Bayern Munich on August 23.