 Complete the following phrase:  On 18 February, the club sustained their first defeat in over three months, losing 21 against Tuchels 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 20 victory at home in the second leg. This was the clubs 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 10 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 65 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 21 in the quarter-finals of the Champions League, marking the clubs first appearance in the semi-finals of the competition since the 199495 season. In the semi-final, PSG defeated RB Leipzig 30 to reach their first ever 