Thomaz Bellucci in Brazil quarters
Bellucci broke Haider-Maurer's serve early in the third set and held on to close the match in 2 hours, 36 minutes at the Ibirapuera arena.
Fourth-seeded Juan Monaco of Argentina reached the quarterfinals with a marathon 7-6 (2), 2-6, 7-5 victory over Albert Ramos of Spain in nearly three hours. He will face Paolo Lorenzi of Italy, who cruised past win Brazilian qualifier Rogerio Dutra Silva6-4, 6-3.
Copyright 2014 by The Associated Press
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