Primera part del quadre
| Rafa NADAL (ESP) - 1 | |||
| BYE | |||
| Andreas HAIDER-MAURER (AUT) | 2 | 4 | |
| Roberto CARBALLÉS (ESP) | 6 | 6 | |
| Yuichi SUGITA (JPN) | 6 | 6 | |
| Guillermo GARCÍA-LÓPEZ (ESP) | 7 | 7 | |
| BYE | |||
| Kei NISHIKORI (JPN) - 14 | |||
| Feliciano LÓPEZ (ESP) - 12 | |||
| BYE | |||
| Pedro MARTÍNEZ (ESP) | 4 | 7 | 3 |
| Dusan LAJOVIC (SRB) | 6 | 6 | 6 |
| Martin KLIZAN (SVK) | 6 | 6 | 6 |
| Federico DELBONIS (ARG) | 4 | 7 | 3 |
| BYE | |||
| Novak DJOKOVIC (SRB) - 6 | |||
| David GOFFIN (BEL) - 4 | |||
| BYE | |||
| Mikhail KUKUSHKIN (KAZ) | 2 | 2 | |
| Marcel GRANOLLERS (ESP) | 6 | 6 | |
| Leonardo MAYER (ARG) | 6 | 6 | |
| Mischa ZVEREV (GER) | 3 | 0 | |
| BYE | |||
| Karen KHACHANOV (RUS) - 16 | |||
| Pablo ANDÚJAR (ESP) | |||
| BYE | |||
| Bjorn FRATANGELO (EUA) | 7 | 5 | 6 |
| Alexey VATUTIN (RUS) | 5 | 7 | 3 |
| Tommy ROBREDO (ESP) | 7 | 6 | 4 |
| Ivo KARLOVIC (CRO) | 6 | 7 | 6 |
| BYE | |||
| Roberto BAUTISTA (ESP) - 8 |
Segona part del quadre
| Diego SCHWARTZMAN (ARG) - 7 | |||
| BYE | |||
| Corentin MOUTET (FRA) | 4 | 1 | |
| Stefanos TSITSIPAS (GRE) | 6 | 6 | |
| Jared DONALDSON (EUA) | 3 | 1 | |
| Rogerio DUTRA SILVA (BRA) | 6 | 6 | |
| BYE | |||
| Albert RAMOS (ESP) - 10 | |||
| Jozef KOVALIK (SVK) | |||
| BYE | |||
| Peter GOJOWCZYK (GER) | 4 | 4 | |
| Guido PELLA (ARG) | 6 | 6 | |
| Jaume MUNAR (ESP) | 6 | 3 | 7 |
| Joao SOUZA (POR) | 4 | 6 | 5 |
| BYE | |||
| Dominic THIEM (AUT) - 3 | |||
| Pablo CARREÑO (ESP) - 5 | |||
| BYE | |||
| Benoit PAIRE (FRA) | 7 | 6 | 6 |
| Nicolas JARRY (XIL) | 6 | 7 | 4 |
| Ricardo OJEDA (ESP) | 0 | 4 | |
| Pablo CUEVAS (URU) | 6 | 6 | |
| BYE | |||
| Adrian MANNARINO (FRA) - 11 | |||
| Ernesto ESCOBEDO (EUA) | |||
| BYE | |||
| Tennys SANDGREN (URU) | 4 | 4 | |
| Malek JAZIRI (TUN) | 6 | 6 | |
| Ilya IVASHKA (BLR) | 2 | 3 | |
| Gilles SIMON (FRA) | 6 | 6 | |
| BYE | |||
| Grigor DIMITROV (BUL) - 2 |