On 3 August, Mbappé scored in a 2–1 win over Rennes to capture his first title of the 2019–20 season, the 2019 Trophée des Champions. He then scored again in PSG's opening Ligue 1 match of the season, a 3–0 home win over Nîmes on 11 August. On 22 October, he came off the bench and scored a perfect hat-trick, in a 5–0 away win over Belgian side Club Brugge in the Champions League; at the age of 20 years and 306 days, he became the youngest player ever to score at least 15 goals in the competition.