article_snippet: For six hour and 43 minutes, Leonardo Mayer and Joao Souza contested the second-longest singles match in tennis history -- and third longest of any format after a seven-hour doubles clash between Switzerland and the Czech Republic in 2013.
article_snippet: Leonardo Mayer eventually triumphed, after Leonardo Mayer 11th match point, winning 7-6 (7-4) 7-6 (7-5) 5-7 5-7 15-13 in front of a delirious home crowd in Buenos Aires to send the tie to a deciding rubber.
article_snippet: It set the scene for Federico Delbonis to take on Brazil's Thomaz Bellucci in the decider -- with the winner to earn a clash with Novak Djokovic's Serbia, a 5-0 victor over Balkan rival Croatia.
article_snippet: Federico Delbonis had won the first set 6-3 when play was halted for the day due to bad light.
article_snippet: The match will resume on Monday.
article_snippet: Vasek Pospisil led the tie-break victory by defeating Go Soeda in straight sets on Sunday.
highlights_snippet: Leonardo Mayer beats Joao Souza in longest Davis Cup singles match .
  
highlights_snippet: Argentine wins in six hours 43 minutes -- third-longest in tennis history .
  