| Menendez - Fabbiano 6:4 6:2 | 4 s |
| Kovinic - Foretz 6:3 5:7 6:0 | 5 s |
| Berrer - Lamasine 7:6(2) 3:6 6:3 | 5 s |
| Raonic - Melzer J. 6:4 6:3 | 4 s |
| Paire - Dancevic 6:4 6:0 | 5 s |
| Kozlova - Glushko 3:6 4:6 | 4 s |
| Ito T. - Nishioka 7:6(5) 6:2 | 6 s |
| Aoyama S. - Eguchi 1:6 2:6 | 6 s |
| Dzumhur - Machado R. 7:6(4) 6:1 | 5 s |
| Strýcová - Buyukakcay 4:6 6:4 7:5 | 5 s |
| Harrison R. - Uchiyama Y. 6:1 6:3 | 4 s |
| Mcdonald - Bossel 6:3 6:4 | 7 s |
| Pereira Te. - Hsieh 2:6 2:6 | 5 s |
| Williams V. - Abanda F. 7:5 6:3 | 6 s |
| Sock J. - Golubev 6:3 1:6 7:5 | 6 s |
| Schwartzman D. - Leite 6:1 6:2 | 4 s |
| Okuno - Higuchi 6:4 4:6 6:2 | 5 s |
| Starace - Cecchinato 3:6 5:7 | 5 s |
| Ignatik - Šafránek 6:1 6:2 | 3 s |
| Vanni - Pulgar Jai. 6:3 7:6(4) | 5 s |
| Krunic - Doi 6:4 7:5 | 4 s |
| Goffin - Zeballos 5:7 3:6 | 6 s |
| Janowicz - Lajovic 3:6 1:1 ret. | 5 s |