| ATP - Estoril | 05/07 15:00 | 29 | [21] Carreno-Busta, Pablo v Muller, Gilles [28] | 6-2,7-6 | |
| ATP - Estoril | 05/06 15:45 | 28 | [28] Muller, Gilles v Anderson, Kevin [66] | 7-5,6-4 | |
| ATP - Estoril | 05/05 20:05 | 27 | [113] Taro Daniel v Muller, Gilles [28] | 7-5,2-6,3-6 | |
| ATP - Estoril | 05/04 14:05 | 26 | [172] Sousa, Pedro v Muller, Gilles [28] | 3-6,2-6 | |
| ATP - Monte-Carlo | 04/19 10:45 | 25 | [1] Andy Murray v Muller, Gilles [28] | 7-5,7-5 | |
| ATP - Monte-Carlo | 04/18 09:00 | 24 | [28] Muller, Gilles v Robredo, Tommy [300] | 6-2,6-2 | |
| ATP - Miami | 03/27 15:00 | 25 | [14] BERDYCH T. v Muller, Gilles [29] | 6-3,6-4 | |
| ATP - Miami | 03/25 15:00 | 24 | [80] Seppi, Andreas v Muller, Gilles [29] | 6-7,6-7 | |
| ATP - Indian Wells | 03/14 18:00 | 25 | [28] Muller, Gilles v Kei Nishikori [5] | 2-6,2-6 | |
| ATP - Indian Wells | 03/12 18:00 | 24 | [28] Muller, Gilles v Jiri Vesely [56] | 7-6,6-1 | |
| ATP - Dubaï | 02/27 10:00 | 25 | [29] Kohlschreiber, Philipp v Muller, Gilles [27] | 6-4,7-6 | |
| ATP - Rotterdam | 02/15 20:40 | 26 | Muller, Gilles v Tsonga, Jo-Wilfried | 4-6,2-6 | |
| ATP - Rotterdam | 02/14 11:35 | 25 | Tallon Griekspoor v Muller, Gilles | 3-6,2-6 | |
| Sofia, Bulgaria | 02/10 10:00 | 27 | [29] Muller, Gilles v Bautista-Agut, Roberto [16] | 5-7,6-7 | |
| Sofia, Bulgaria | 02/09 10:00 | 26 | [29] Muller, Gilles v Youzhny, Mikhail [89] | 6-3,7-5 | |
| Sofia, Bulgaria | 02/07 10:00 | 25 | Muller, Gilles v Mathias Bourgue | 6-3,6-2 | |
| Open d'Australie, Melbourne, Australie | 01/19 03:25 | 24 | [28] Muller, Gilles v Milos Raonic [3] | 3-6,4-6,6-7 | |
| Open d'Australie, Melbourne, Australie | 01/17 04:20 | 23 | [28] Muller, Gilles v Taylor Fritz [93] | 7-6,7-6,6-3 | |
| Sydney, Australia | 01/14 08:30 | 29 | [67] Daniel Evans v Muller, Gilles [34] | 6-7,2-6 | |
| Sydney, Australia | 01/13 05:00 | 28 | [29] Troicki, Viktor v Muller, Gilles [34] | 3-6,6-7 | |
| Sydney, Australia | 01/12 01:00 | 27 | [34] Muller, Gilles v Cuevas, Pablo [22] | 7-6,6-4 | |
| Sydney, Australia | 01/11 01:00 | 26 | Muller, Gilles v Barton, Matthew | 6-1,3-6,6-4 | |
| Sydney, Australia | 01/10 03:00 | 25 | Muller, Gilles v Dolgopolov, Aleksandr | 3-6,6-3,7-5 | |
| ATP Brisbane | 01/03 01:00 | 25 | Donaldson, Jared v Muller, Gilles | 6-4,6-4 | |
| Paris, France | 11/02 15:50 | 25 | [1] Novak Djokovic v Muller, Gilles [34] | 6-3,6-4 | |
| Paris, France | 11/01 18:00 | 24 | [44] Almagro, Nicolas v Muller, Gilles [34] | 3-6,3-6 | |
| Basel, Switzerland | 10/29 12:30 | 28 | [5] Kei Nishikori v Muller, Gilles [37] | 4-6,7-6,6-3 | |
| Basel, Switzerland | 10/28 13:00 | 27 | [37] Muller, Gilles v Delbonis, Federico [48] | 6-7,6-4,7-6 | |
| Basel, Switzerland | 10/27 11:00 | 26 | [37] Muller, Gilles v Mayer, Florian (1983) [55] | 6-3,6-2 | |
| Basel, Switzerland | 10/25 13:00 | 25 | [18] Grigor Dimitrov v Muller, Gilles [37] | 7-6,4-6,4-6 |