 | Cornet - Petkovič 6:7(5) 3:6 | 6 s |
 | Opelka - Mannarino 2:6 7:6(5) 6:4 | 5 s |
 | Cachin - Andujar 3:6 1:6 | 5 s |
 | Schwartzman - Medvedev 4:6 4:6 | 4 s |
 | Benchetrit - D.E.galan 2:6 5:7 | 5 s |
 | L.Zhu - Diatchenko 1:6 0:6 | 5 s |
 | B.Haas - Ju.Steur 7:5 4:6 6:0 | 7 s |
 | Badosa Gibert - Arn 6:7(3) 0:6 | 7 s |
 | Arruabarrena - Zidansek 2:6 3:6 | 5 s |
 | G.M.moroni - Safiullin 7:5 6:2 | 6 s |
 | Ferro - Ge.Garcia Perez 6:2 6:2 | 6 s |
 | Donati - O.J.gutierrez 6:3 6:3 | 7 s |
 | Andreescu - E.Bouchard 6:2 6:0 | 5 s |
 | G.Escobar - J.Domingues 6:1 6:3 | 6 s |
 | Shymanovich - Krasakova 1:6 6:1 10:7 | 4 s |
 | L.Gomez - Barrios Vera 3:6 4:6 | 6 s |
 | Auger Aliassime - Karatsev 4:6 4:6 | 6 s |
 | Glasspool - Verbeek 6:4 6:3 | 4 s |
 | Kiick - Errani 6:3 5:7 6:2 | 6 s |
 | L.Cabrera - Yaf.Wang 6:7(2) 6:7(3) | 4 s |
 | T.H.yang - So.W.kwon 6:3 7:6(12) | 6 s |
 | R.Harrison - Sonego 4:6 2:6 | 0 s |
 | Zan.Khan - Yo.Watanuki 6:3 2:6 2:6 | 6 s |
 | D.Masur - S.Griekspoor 2:6 6:3 4:6 | 4 s |
 | Humbert - S.Stakhovsky 6:0 6:4 | 6 s |