| Challenger Murcia | 04/09 17:20 | 24 | Almagro, Nicolas v Vilella Martinez, Mario | 2-6,2-6 | |
| Challenger Szczecin | 09/11 12:15 | 25 | Arguello, Facundo v Almagro, Nicolas | Retired | |
| Gstaad, Switzerland | 07/24 15:20 | 25 | Marc-Andrea Huesler v Almagro, Nicolas | 6-7,6-3,7-6 | |
| ATP Bastad Qual | 07/15 09:45 | 64 | Almagro, Nicolas v Galovic, Viktor | 2-6,6-7 | |
| Challenger Perugia | 07/11 17:00 | 25 | Almagro, Nicolas v Ulises Blanch | 4-6,5-7 | |
| Challenger Milan Qual | 06/23 12:50 | 45 | Almagro, Nicolas v Haider-Maurer, Andreas | 4-6,4-6 | |
| Alicante, Spain | 04/03 08:00 | 25 | Marti, Javier v Almagro, Nicolas | View | |
| ATP Stockholm | 10/16 16:30 | - | Almagro, Nicolas v Chung, Hyeon | Cancelled | |
| Rome II, Italy | 09/26 13:00 | 25 | [127] Almagro, Nicolas v Laslo Djere [96] | 3-6,2-6 | |
| Metz, France | 09/21 18:05 | 26 | [131] Almagro, Nicolas v David Goffin [12] | 6-3,3-6,3-6 | |
| Metz, France | 09/19 18:25 | 25 | [131] Almagro, Nicolas v Benneteau, Julien [94] | 7-6,7-5 | |
| Challenger Seville | 09/04 20:15 | 25 | [92] Almagro, Nicolas v Galovic, Viktor [244] | 6-7,2-6 | |
| US Open, New York, USA | 08/28 15:00 | 23 | [92] Almagro, Nicolas v Steve Johnson [46] | 4-6,6-7,6-7 | |
| Santo Domingo, Dominican Republic | 08/16 17:30 | 26 | [390] Rodriguez, Cristian v Almagro, Nicolas [91] | 6-2,6-2 | |
| Santo Domingo, Dominican Republic | 08/14 23:00 | 25 | [433] Montero, Jorge v Almagro, Nicolas [91] | 5-7,4-6 | |
| French Open, Paris, France | 06/01 11:05 | 24 | [69] Almagro, Nicolas v DEL POTRO J.M. [30] | Retired | |
| French Open, Paris, France | 05/30 11:10 | 23 | [62] Baghdatis, Marcos v Almagro, Nicolas [69] | 7-6,4-6,3-6,6-7 | |
| Rome, Italy | 05/17 11:40 | 25 | [73] Almagro, Nicolas v Rafael Nadal [4] | Retired | |
| Rome, Italy | 05/15 14:05 | 24 | [73] Almagro, Nicolas v Seppi, Andreas [76] | 7-6,6-3 | |
| ATP Rome Qual | 05/14 13:40 | 46 | [76] Almagro, Nicolas v Dolgopolov, Aleksandr [87] | 7-5,6-4 | |
| ATP Rome Qual | 05/13 14:55 | 45 | [76] Almagro, Nicolas v Lorenzo Sonego [331] | 6-3,3-6,7-6 | |
| ATP - Madrid | 05/10 11:40 | 25 | [76] Almagro, Nicolas v Novak Djokovic [2] | 1-6,6-4,5-7 | |
| ATP - Madrid | 05/09 10:00 | 24 | [266] Robredo, Tommy v Almagro, Nicolas [76] | 3-6,6-3,1-6 | |
| ATP - Estoril | 05/05 13:00 | 27 | [21] Carreno-Busta, Pablo v Almagro, Nicolas [86] | 6-2,6-4 | |
| ATP - Estoril | 05/03 14:20 | 26 | [107] Gastao Elias v Almagro, Nicolas [86] | 1-6,2-6 | |
| ATP - Estoril | 05/02 12:00 | 25 | [86] Almagro, Nicolas v Benoit Paire [55] | 6-3,6-2 | |
| ATP - Barcelone | 04/25 10:40 | 25 | [21] Alexander Zverev v Almagro, Nicolas [57] | 7-6,4-6,6-4 | |
| ATP - Barcelone | 04/24 14:15 | 24 | [57] Almagro, Nicolas v Steven Diez [176] | 6-3,6-4 | |
| ATP - Monte-Carlo | 04/18 16:00 | 25 | [57] Almagro, Nicolas v David Goffin [13] | 5-7,1-6 | |
| ATP - Monte-Carlo | 04/17 10:40 | 24 | [61] Martin Klizan v Almagro, Nicolas [57] | 6-4,3-6,1-6 |