| ATP Eastbourne | 06/25 14:10 | 25 | [40] David Ferrer v Matteo Berrettini [81] | 7-5,6-3 | |
| French Open | 05/28 10:45 | 23 | [155] Jaume Munar v David Ferrer [41] | 3-6,3-6,7-6,7-6,7-5 | |
| ATP Geneva | 05/22 13:35 | 26 | [49] Peter Gojowczyk v David Ferrer [42] | 6-2,6-4 | |
| ATP Rome | 05/13 14:20 | 24 | [34] David Ferrer v Jack Sock [15] | 3-6,4-6 | |
| Davis Cup | 04/08 11:40 | 27 | [33] David Ferrer v Philipp Kohlschreiber [34] | 7-6,3-6,7-6,4-6,7-5 | |
| Davis Cup | 04/06 09:30 | 27 | [33] David Ferrer v Alexander Zverev [4] | 4-6,2-6,2-6 | |
| ATP Miami | 03/26 23:30 | 25 | [5] Alexander Zverev v David Ferrer [35] | 2-6,6-2,6-4 | |
| ATP Miami | 03/24 17:15 | 24 | [88] Evgeny Donskoy v David Ferrer [35] | 2-6,2-6 | |
| ATP Indian Wells | 03/13 21:10 | 25 | Juan Martin Del Potro v David Ferrer | 6-4,7-6 | |
| ATP Indian Wells | 03/11 19:20 | 24 | Tennys Sandgren v David Ferrer | 2-6,6-7 | |
| ATP Acapulco | 03/01 03:55 | 26 | Juan Martin Del Potro v David Ferrer | 6-4,4-6,6-3 | |
| ATP Acapulco | 02/27 02:35 | 25 | Andrey Rublev v David Ferrer | 4-6,3-6 | |
| ATP Rotterdam | 02/12 18:30 | 25 | Alexander Zverev v David Ferrer | 6-4,6-3 | |
| ATP Montpellier | 02/06 20:40 | 25 | Karen Khachanov v David Ferrer | 6-7,6-3,6-4 | |
| Australian Open | 01/15 02:10 | 23 | David Ferrer v Andrey Rublev | 5-7,7-6,2-6,7-6,2-6 | |
| ATP Auckland | 01/12 07:15 | 28 | David Ferrer v Juan Martin Del Potro | 4-6,4-6 | |
| ATP Auckland | 01/11 03:05 | 27 | David Ferrer v Hyeon Chung | 6-3,6-2 | |
| ATP Auckland | 01/10 02:55 | 26 | David Ferrer v Joao Sousa | 6-2,6-2 | |
| ATP Auckland | 01/08 01:50 | 25 | David Ferrer v Yibing Wu | 7-6,6-4 | |
| ATP Paris | 10/31 14:40 | 24 | [28] Adrian Mannarino v David Ferrer [34] | 6-2,6-4 | |
| ATP Vienna | 10/24 11:00 | 25 | [29] David Ferrer v Kyle Edmund [63] | 2-6,6-7 | |
| ATP Antwerp | 10/20 19:55 | 27 | [26] Diego Schwartzman v David Ferrer [31] | 7-5,6-2 | |
| ATP Antwerp | 10/19 19:10 | 26 | [65] Steve Darcis v David Ferrer [31] | 5-7,7-5,3-6 | |
| ATP Antwerp | 10/17 16:30 | 25 | [131] Stefano Travaglia v David Ferrer [31] | 6-4,4-6,6-7 | |
| US Open | 08/28 16:15 | 23 | [103] Mikhail Kukushkin v David Ferrer [25] | 4-6,6-3,6-2,6-1 | |
| ATP Cincinnati | 08/19 23:00 | 28 | [23] Nick Kyrgios v David Ferrer [31] | 7-6,7-6 | |
| ATP Cincinnati | 08/18 23:00 | 27 | [8] Dominic Thiem v David Ferrer [31] | 3-6,3-6 | |
| ATP Cincinnati | 08/17 16:40 | 26 | Pablo Carreno-Busta v David Ferrer | 4-6,4-6 | |
| ATP Cincinnati | 08/16 15:00 | 25 | [31] David Ferrer v Janko Tipsarevic [69] | 6-4,6-7,6-1 | |
| ATP Cincinnati | 08/15 17:40 | 24 | [37] Steve Johnson v David Ferrer [31] | 1-6,7-5,3-6 |