Mischa Zverev def. Jurgen Melzer, 3-6, 6-3, 7-6 (7-3)
David Goffin def. Viktor Troicki, 4-6, 6-3, 6-4
David Nalbandian def. Marcel Granollers, 6-3, 6-2
Bernard Tomic def. Thomaz Bellucci, 6-4, 6-3
Paolo Lorenzi def. Gilles Muller, 7-5, 6-4
Benoit Paire def. Lukasz Kubot, 5-7, 7-5, 6-2
Jarkko Nieminen def. Igor Sijsling, 4-6, 6-3, 6-3
Kevin Anderson def. Victor Hanescu, 7-6 (8-6), 6-3
Go Soeda vs. Ryan Harrison
Leonardo Mayer def. Xavier Malisse, 6-2, 3-6, 6-4
Daniel Brands def. Marcos Baghdatis, 6-0, 7-6 (7-3)
Ernests Gulbis def. Feliciano Lopez, 6-3, 6-2
Lleyton Hewitt def. Lukas Rosol, 6-4, 3-6, 6-1
Wayne Odesnik def. Roberto Bautista Agut, 7-5, 7-5
Ivan Dodig def. Guido Pella, 6-1, 6-2
Denis Istomin def. Vasek Pospisil, 7-6 (7-5), 6-3