| Marchenko - Fayziev 6:1 6:4 | 1 s |
| Du.Brown - Pichler 6:3 3:6 6:3 | 2 s |
| Rodionov - Zapata Miralles 2:6 2:6 | 1 s |
| L.Klein - Coppejans 6:3 4:6 1:6 | 1 s |
| Oliel - D.Masur 5:7 4:6 | 0 s |
| Safwat - T.Griekspoor 1:6 6:7(8) | 0 s |
| Kalenichenko - Rawat 7:5 3:6 2:6 | 1 s |
| Van De zandschulp - Safiullin 3:6 6:4 0:6 | 3 s |
| Safwat - G.Lomakin 6:2 6:4 | 1 s |
| Veldheer - Grenier 6:2 4:6 2:6 | 2 s |
| Ferreira Silva - De Greef 0:4 ret. | 3 s |
| Bonzi - Martineau 7:5 6:2 | 1 s |
| Doumbia - Karlovskiy 6:4 2:6 7:6(1) | 1 s |
| Reboul - Me.D.a.sibanda 6:4 6:2 | 2 s |
| Ortega Olmedo - J.Draper 5:7 3:6 | 1 s |
| Musetti - B.Lock 5:7 5:7 | 1 s |
| E.Ymer - S.Walkow 6:1 7:6(7) | 1 s |
| Leshem - D.Masur 6:3 1:1 ret. | 3 s |
| Van De zandschulp - S.Freund 6:2 7:5 | 1 s |
| Marchenko - A.Zakharov 7:5 7:6(2) | 1 s |
| Durasovic - Zapata Miralles 1:6 4:6 | 2 s |
| N.Serdarusic - T.Griekspoor 3:6 6:7(5) | 1 s |
| Ornago - Leshem 1:6 6:3 2:6 | 1 s |