BERLIN — Frances Tiafoe put Team World ahead at the Laver Cup with a victory over Daniil Medvedev on Saturday. The American, who reached the semifinals at the U.S. Open , won 3-6, 6-4 and 10-5 in the third set, which is a match tiebreaker.

After Friday’s matches were split evenly, Team World’s Frances Tiafoe and Taylor Fritz beat top-five opponents and Ben Shelton and Alejandro Tabilo crushed Team Europe’s Casper Ruud and Stefanos Tsitsipas 6-1,

Ben Shelton and Taylor Fritz upset the odds to defeat Carlos Alcaraz and Alexander Zverev in their Laver Cup doubles match on Friday, with the former apologising to the latter after a post-match comme