| Friedsam - Mladenovic 6:3 6:3 | 7 s |
| Mannarino - A.Vukic 6:1 6:3 | 5 s |
| E.King - Polansky 2:6 3:6 | 4 s |
| Andujar - D.Young 6:3 6:1 | 5 s |
| Car.Garcia - G.Minnen 6:4 1:6 7:6(5) | 2 s |
| S.Kuznetsova - Bencic 6:4 6:4 | 7 s |
| Krueger - S.Johnson 4:6 4:6 | 6 s |
| S.Korda - Krueger 2:6 1:6 | 4 s |
| H.Chang - Nara 1:6 3:6 | 2 s |
| Dougaz - Cressy 0:6 1:4 ret. | 6 s |
| Marchenko - Ch.H.tseng 6:3 6:2 | 5 s |
| S.Stakhovsky - Ch.H.tseng 6:3 1:6 2:6 | 4 s |
| G.Blancaneaux - Rinderknech 4:6 2:6 | 6 s |
| J.Jung - Giustino 6:1 6:2 | 5 s |
| Krueger - Du.Sela 0:6 7:6(4) 7:5 | 4 s |
| E.Ymer - S.Walkow 6:1 7:6(7) | 4 s |
| Paquet - Mladenovic 6:1 2:6 4:6 | 5 s |
| L.Zhu - Xi.Wang 2:6 2:6 | 7 s |
| Gracheva - Tsurenko 6:0 4:6 2:6 | 5 s |
| Haerteis - Stebe 4:6 1:6 | 6 s |
| Caruso - T.S.kwiatkowski 6:4 6:2 | 4 s |
| Boulter - Blinkova 6:4 3:6 6:3 | 6 s |
| N.Djokovič - S.Tsitsipas 6:3 6:4 | 2 s |
| Clezar - K.King 6:7(4) 6:4 4:6 | 7 s |
| C.Ruud - H.Lewis 6:2 6:2 | 5 s |
| Arneodo - Marcora 6:4 1:6 6:7(8) | 7 s |
| H.Dellien - J.Hernandez Fern. 6:3 6:4 | 5 s |
| Vickery - C.Mcnally 6:2 6:3 | 6 s |
| K.Bondarenko - R.Peterson 6:7(2) 5:7 | 5 s |
| B.Hassan - Navasirisomboon 6:1 6:2 | 6 s |
| Seyboth Wild - Londero 7:6(7) 6:4 | 6 s |
| Reboul - Ch.Van Wyk 6:3 6:3 | 6 s |
| Azarenka - Zidansek 2:6 2:6 | 2 s |
| Doi - Wickmayer 4:6 7:5 7:6(3) | 6 s |
| G.Mager - J.S.nam 6:3 7:5 | 2 s |
| K.Zuk - Rinderknech 3:6 6:7(3) | 6 s |
| Van De zandschulp - S.Freund 6:2 7:5 | 6 s |
| Zidansek - Potapova 6:1 6:7(3) 1:6 | 6 s |
| Vandeweghe - Xin.Wang 6:7(7) 2:6 | 6 s |
| N.Serdarusic - Bulitski 6:2 6:2 | 7 s |
| Struff - Gerasimov 6:3 6:2 | 4 s |
| Marchenko - Fayziev 6:1 6:4 | 6 s |
| Descotte - D.Young 5:7 3:6 | 5 s |
| A.Ramos - C.Ruud 6:7(5) 2:6 | 5 s |
| S.Kenin - Dodin 6:1 6:7(5) 6:2 | 5 s |
| Torpegaard - M.Polmans 7:5 7:6(2) | 8 s |