Germany’s Alexander Zverev beat South African Kevin Anderson 6-7, 7-5 10-7 as Team Europe completed victory over Team World on the final day of the Laver Cup exhibition event in Chicago.
Earlier world number 2 Federer and world number 5 Zverev had lost their doubles rubber to Isner and fellow American Jack Sock.
Europe led 7-5 overnight, with three points for a win on the final day.
That meant Isner and Sock’s opening 4-6, 7-6, 11-9 win in Sunday’s doubles edged Team World in front 8-7 before Swiss great Federer and Zverev swung things decisively in Europe’s favour.
