Leonardo Mayer beats Joao Souza in longest Davis Cup singles match . The Brazilian won the first set 6-3, but lost the second to win 7-6 (7-4) and book a place at Wimbledon for next year.
Leonardo Mayer beats Joao Souza in longest Davis Cup singles match . Argentine wins in six hours 43 minutes -- third-longest in tennis history . Britain beats U.S. in first round , with Andy Murray defeating John Isner . France , Australia , Kazakhstan , Belgium , Serbia also reach quarterfinals .