Melzer upsets Isner in Memphis quarterfinal

Jurgen Melzer, playing with a broken big toe on his right foot, upset top-seeded John Isner 6-3, 7-6 (6) on Friday.

Isner advances to second round in Memphis

Top-seed John Isner, playing for the first time since helping the U.S. defeat Switzerland in Davis Cup, defeated Gilles Muller.