| Marcora - Gutierrez Ferrol 5:7 4:6 | 2 s |
| Dulgheru - Ch.Mchale 5:7 7:6(5) 6:3 | 3 s |
| Sasnovich - Pavlyuchenkova 2:6 6:3 2:6 | 5 s |
| Federer - R.Haase 4:6 6:1 6:1 | 1 s |
| Brands - Zapata Miralles 6:4 7:5 | 3 s |
| Opelka - Kubler 6:7(3) 3:6 | 4 s |
| Al.Gonzalez - D.Novikov 6:7(4) 6:3 6:4 | 3 s |
| Seppi - Jarry 4:6 3:6 | 3 s |
| Stollar - Štefková 6:4 3:6 6:1 | 3 s |
| Lajovic - G.Monfils 4:6 3:6 | 2 s |
| Auger Aliassime - Kuzmanov 7:5 7:6(2) | 3 s |
| Galovic - Dalla Valle 7:6(3) 6:4 | 3 s |
| Al.Gonzalez - Garin 3:6 1:6 | 2 s |
| D.Jakupovic - E.Mertens 3:6 7:6(7) 6:1 | 3 s |
| Krstin - P.Martinez 6:1 6:7(4) 3:6 | 3 s |
| N.L.han - S.J.jang 4:6 0:6 | 4 s |
| Flipkens - Hercog 4:6 2:6 | 4 s |
| Varillas - A.Muller 4:6 1:6 | 3 s |
| Ojeda Lara - Clezar 4:6 3:6 | 3 s |
| Garin - Klahn 3:6 6:0 4:6 | 3 s |
| J.Sousa - Seppi 4:6 6:1 2:6 | 3 s |
| Rog.Silva - Kovalík 7:6(3) 6:4 | 2 s |