| Challenger Heilbronn | 05/13 09:30 | 166 | [219] Attila Balazs v Viktor Troicki [259] | 1-6,7-6,6-3 | |
| Challenger Aix en Provence | 05/09 13:35 | 26 | [252] Viktor Troicki v Benjamin Hassan [370] | 2-6,2-6 | |
| Challenger Aix en Provence | 05/07 16:25 | 25 | [161] Lorenzo Giustino v Viktor Troicki [252] | 6-4,2-6,4-6 | |
| Challenger Aix en Provence | 05/06 15:00 | 24 | [252] Viktor Troicki v Yannick Mertens [431] | 6-3,6-1 | |
| Challenger Bordeaux | 04/30 16:00 | 25 | [240] Viktor Troicki v Jo-Wilfried Tsonga [101] | 1-6,6-7 | |
| Challenger Bordeaux | 04/29 12:00 | 24 | [240] Viktor Troicki v Nicolas Mahut [249] | 7-6,6-2 | |
| Challenger Tunis | 04/18 11:30 | 26 | [81] Pablo Cuevas v Viktor Troicki [241] | 7-5,6-4 | |
| Challenger Tunis | 04/17 12:35 | 25 | [241] Viktor Troicki v Stefano Napolitano [189] | 7-5,7-6 | |
| Challenger Tunis | 04/16 13:10 | 24 | Viktor Troicki v Aziz Dougaz | Retired | |
| ATP Marrakech | 04/07 10:00 | 64 | [243] Viktor Troicki v Facundo Bagnis [141] | 6-7,4-6 | |
| Challenger Sophia Antipolis | 04/01 10:00 | 24 | [243] Viktor Troicki v Arthur Rinderknech [483] | 4-6,2-6 | |
| Challenger St Brieuc | 03/27 20:20 | 25 | [247] Viktor Troicki v Mirza Basic [167] | 4-6,6-2,3-6 | |
| Challenger St Brieuc | 03/25 17:30 | 24 | [373] Hugo Grenier v Viktor Troicki [247] | 3-6,1-6 | |
| Challenger Lille | 03/21 19:40 | 26 | [120] Gregoire Barrere v Viktor Troicki [247] | 3-6,6-3,6-2 | |
| Challenger Lille | 03/20 17:05 | 25 | [247] Viktor Troicki v Daniel Brands [168] | 6-1,6-3 | |
| Challenger Lille | 03/18 17:00 | 24 | [438] Gregoire Jacq v Viktor Troicki [247] | 6-7,2-6 | |
| Challenger Yokohama | 02/27 01:00 | 25 | [240] Viktor Troicki v Max Purcell [274] | 5-7,6-7 | |
| Challenger Bangkok 1A | 02/21 04:25 | 26 | [177] Hiroki Moriya v Viktor Troicki [243] | 6-2,3-6,6-1 | |
| Challenger Bangkok 1A | 02/19 09:20 | 25 | [265] Stephane Robert v Viktor Troicki [243] | 4-6,4-6 | |
| Challenger Bangkok | 02/14 04:40 | 26 | [212] Go Soeda v Viktor Troicki [221] | 6-0,6-4 | |
| Challenger Bangkok | 02/12 08:15 | 25 | [239] Duckhee Lee v Viktor Troicki [221] | 1-6,2-6 | |
| ATP Sofia | 02/05 17:30 | 25 | [33] Gael Monfils v Viktor Troicki [185] | 6-3,6-4 | |
| Australian Open | 01/16 00:00 | 24 | [15] Stefanos Tsitsipas v Viktor Troicki [200] | 6-3,2-6,6-2,7-5 | |
| Australian Open | 01/14 05:00 | 23 | [200] Viktor Troicki v Roberto Carballes Baena [75] | 6-1,1-6,2-6,6-1,6-4 | |
| Australian Open | 01/11 03:00 | 46 | [172] Darian King v Viktor Troicki [201] | 2-6,6-3,3-6 | |
| Australian Open | 01/10 06:45 | 45 | [201] Viktor Troicki v Lukas Rosol [144] | 7-6,6-1 | |
| Australian Open | 01/09 05:40 | 44 | [189] Nicolas Mahut v Viktor Troicki [201] | 2-6,4-6 | |
| Challenger Playford | 01/02 03:55 | 25 | [205] Viktor Troicki v Oscar Otte [167] | 6-4,1-6,5-7 | |
| Challenger Playford | 12/31 07:15 | 24 | [207] Rudolf Molleker v Viktor Troicki [205] | 4-6,2-6 | |
| ATP Beijing | 09/30 06:15 | 164 | Viktor Troicki v Radu Albot | Walkover |