| ATP - Madrid | 05/08 19:35 | 25 | [144] FERRER D. v Alexander Zverev [4] | 4-6,1-6 | |
| ATP - Madrid | 05/07 14:00 | 24 | [144] FERRER D. v Bautista-Agut, Roberto [21] | 6-4,4-6,6-4 | |
| ATP - Barcelone | 04/25 12:35 | 26 | [2] Rafael Nadal v FERRER D. [155] | 6-3,6-3 | |
| ATP - Barcelone | 04/24 11:05 | 25 | [155] FERRER D. v Lucas Pouille [32] | 6-3,6-1 | |
| ATP - Barcelone | 04/23 11:50 | 24 | [155] FERRER D. v Zverev, Mischa [96] | 6-3,6-1 | |
| ATP - Miami | 03/25 23:30 | 25 | [34] Frances Tiafoe v FERRER D. [155] | 5-7,6-3,6-3 | |
| ATP - Miami | 03/24 00:05 | 24 | [155] FERRER D. v Alexander Zverev [3] | 2-6,7-5,6-3 | |
| ATP - Miami | 03/22 02:00 | 23 | [68] Querrey, Sam v FERRER D. [155] | 3-6,2-6 | |
| ATP - Acapulco | 02/28 05:20 | 26 | [145] FERRER D. v Alexander Zverev [3] | 6-7,1-6 | |
| ATP - Acapulco | 02/27 04:00 | 25 | [84] Tennys Sandgren v FERRER D. [145] | 6-7,6-7 | |
| ATP - Buenos Aires | 02/14 19:30 | 26 | [96] Albert Ramos-Vinolas v FERRER D. [149] | 3-6,7-6,6-3 | |
| ATP - Buenos Aires | 02/12 23:50 | 25 | [149] FERRER D. v Jaziri, Malek [44] | 7-6,6-3 | |
| ATP - Auckland | 01/09 06:00 | 26 | [24] Carreno-Busta, Pablo v FERRER D. [124] | Retired | |
| ATP - Auckland | 01/08 00:55 | 25 | [49] Haase, Robin v FERRER D. [124] | 2-6,1-6 | |
| Hopman Cup, Nations, Groupe B | 01/04 03:35 | 1 | [125] FERRER D. v Lucas Pouille [32] | 6-4,6-7,7-6 | |
| Hopman Cup, Nations, Groupe B | 01/02 11:00 | 1 | [46] Ebden, Matthew v FERRER D. [125] | 6-7,5-7 | |
| Hopman Cup, Nations, Groupe B | 12/30 04:15 | 1 | [4] Alexander Zverev v FERRER D. [126] | 6-4,4-6,7-6 | |
| Monterrey, Mexico | 10/07 21:00 | 29 | [147] FERRER D. v Karlovic, Ivo [137] | 6-3,6-4 | |
| Monterrey, Mexico | 10/06 21:40 | 28 | Ernesto Escobedo v FERRER D. | Walkover | |
| Monterrey, Mexico | 10/06 02:05 | 27 | [199] Sebastian Ofner v FERRER D. [147] | 3-6,4-6 | |
| Monterrey, Mexico | 10/05 01:40 | 26 | [237] Roberto Cid Subervi v FERRER D. [147] | 2-6,7-6,2-6 | |
| Monterrey, Mexico | 10/03 00:00 | 25 | [195] Thanasi Kokkinakis v FERRER D. [147] | 1-6,3-6 | |
| US Open, New York, USA | 08/28 01:35 | 23 | [1] Rafael Nadal v FERRER D. [148] | Retired | |
| Cincinnati, USA | 08/13 20:10 | 24 | [79] FERRER D. v Benoit Paire [57] | 2-6,2-6 | |
| Toronto, Canada | 08/06 17:40 | 24 | [116] Klahn, Bradley v FERRER D. [69] | 7-6,6-4 | |
| Hamburg, Germany | 07/23 13:20 | 25 | [62] FERRER D. v Rudolf Molleker [272] | 5-7,7-5,3-6 | |
| ATP Bastad | 07/19 13:20 | 26 | [147] Casper Ruud v FERRER D. [39] | 7-5,6-2 | |
| ATP Bastad | 07/17 14:45 | 25 | [221] Zdenek Kolar v FERRER D. [39] | 2-6,5-7 | |
| Wimbledon, London, Great Britain | 07/03 14:05 | 23 | [37] FERRER D. v Karen Khachanov [40] | 1-6,6-7,6-3,5-7 | |
| Eastbourne, Great Britain | 06/27 15:30 | 26 | [38] FERRER D. v Mikhail Kukushkin [90] | 2-6,0-6 |