Federer, Zverev lead Team Europe to Laver Cup victory
with a body serve that caused the 20-time Grand Slam winner to stumble early in the match. But Federer regrouped and fought off two match points in the second-set tiebreaker before capturing the deciding 10-point tiebreaker used in the Laver Cup.
In the opening doubles match, Jack Sock and Isner saved two match points in the deciding tiebreaker to beat Federer and Zverev 4-6, 7-6, (11-9).
Team Europe won the first Laver Cup last year in Prague.