| Van Uytvanck - Hercog 6:2 6:2 | 4 s |
| Car.Garcia - G.Minnen 6:4 1:6 7:6(5) | 4 s |
| Yu.Yuan - N.Bains 4:6 0:6 | 4 s |
| Gaio - Coppejans 6:7(4) 0:6 | 3 s |
| Man.Sanchez - S.Giraldo 5:7 4:6 | 3 s |
| Larsson - Minella 6:2 6:3 | 4 s |
| Putintseva - Dart 6:4 6:3 | 4 s |
| Querrey - J.Thompson 4:6 6:3 10:1 | 4 s |
| E.Mertens - Kovinic 6:2 6:0 | 4 s |
| S.Williams - Siegemund 6:4 6:3 | 4 s |
| Stebe - Bachinger 7:6(2) ret. | 4 s |
| Giorgi - Cornet 4:6 7:6(5) 6:2 | 5 s |
| Rinderknech - Ch.O`connell 6:4 6:2 | 4 s |
| Tsonga - Uchiyama 6:2 6:1 | 4 s |
| B.Lock - Bolt 1:6 1:6 | 3 s |
| Kudla - Ruusuvuori 0:6 5:7 | 3 s |
| Krunic - V.Kužmová 4:6 6:7(2) | 4 s |
| Auger Aliassime - Al.Bedene 6:4 7:6(6) | 4 s |
| Gabashvili - Marchenko 6:4 5:7 7:5 | 4 s |
| M.K.song - Tajima 3:6 4:6 | 3 s |