They are joined in the semi-finals by Andres Molteni and Horacio Zeballos 7 - 5 over Christopher Eubanks and Zachary Kennedy .
Horacio Zeballos won 7 - 5 .
They are joined in the semi-finals by Andres Molteni and Horacio Zeballos , who won 7 - 5 , 7 - 5 over Christopher Eubanks and Zachary Kennedy .