Johnson is the game Local time on Tuesday, del potro games champion in 2009 at the 2016 us open men's singles first round match, 6-4, 6-4, 7-6 (3) defeated compatriots schwarzman, advanced to second round. This is the Argentine's first us open match since 2013. Del potro, 27, in three years ago the us open the second round of five defeats in the tournament of another former champion lleyton hewitt, then didn't come to New York...