Alexander Zverev won a deciding rubber against Milos Raonic in Switzerland to earn Team Europe a dramatic 13-11 win over Team World in the Laver Cup.
Zverev beat Raonic 6-4 3-6 10-4 for Team Europe's third victory in a row.
Team World were 7-5 down overnight but John Isner and Jack Sock overcame Roger Federer and Stefanos Tsitsipas 5-7 6-4 10-8 in the doubles to put them 8-7 up.
Taylor Fritz beat Dominic Thiem to make it 11-7 but Team Europe won after Federer beat Isner and Zverev also won.
Fritz secured a narrow 7-5 6-7 (3-7) 10-5 victory over Thiem, while 20-time Grand Slam winner Federer, playing in his home country, claimed a 6-4 7-6 (7-3) win over Isner in Geneva.