 | Kania - G.Marchetti 7:6(5) 7:5 | 2 s |
 | Horansky - Musetti 3:6 4:6 | 1 s |
 | Corwin - Duckworth 7:6(5) 5:7 0:6 | 2 s |
 | Delbonis - Caruso 7:6(1) 6:3 | 1 s |
 | Sh.Xu - Arruabarrena 5:7 7:6(7) 5:7 | 1 s |
 | Talaba - Meliss 7:6(2) 6:2 | 4 s |
 | Ek.Alexandrova - Krejčíková 6:1 6:3 | 1 s |
 | Parry - Zarazua 2:6 6:3 2:6 | 3 s |
 | Majchrzak - Kolář 4:6 4:6 | 2 s |
 | Bolsova Zadoinov - Ozgen 6:2 6:3 | 2 s |
 | Vekic - Kr.Plíšková 6:4 6:4 | 2 s |
 | Marchenko - Fayziev 6:1 6:4 | 2 s |
 | Svitolina - Bertens 6:7(6) 2:6 | 2 s |
 | Nishioka - De Minaur 7:5 6:4 | 3 s |
 | Gulbis - Cressy 6:3 6:3 | 2 s |
 | F.Verdasco - Kamke 6:3 3:6 6:1 6:2 | 2 s |
 | Branstine - H.Watson 4:6 3:6 | 2 s |
 | B.Pera - Sakkari 6:7(4) 3:6 | 2 s |
 | Mat.Viola - J.J.wolf 2:6 2:6 | 2 s |
 | T.K.wang - Giustino 3:6 2:6 | 2 s |
 | Setkic - Berankis 4:6 6:3 4:6 | 2 s |
 | Tom.Paul - V.Pospisil 6:4 ret. | 2 s |