| Wimbledon, London, Great Britain | 06/23 11:35 | 19 | [230] Troicki, Viktor v Brandon Nakashima [138] | 2-6,7-5,3-6 | |
| Wimbledon, London, Great Britain | 06/22 10:00 | 14 | [205] Christopher Eubanks v Troicki, Viktor [230] | 4-6,7-6,5-7 | |
| London, Great Britain | 06/17 16:15 | 26 | [230] Troicki, Viktor v Frances Tiafoe [65] | 3-6,6-7 | |
| London, Great Britain | 06/14 16:15 | 25 | [26] Lorenzo Sonego v Troicki, Viktor [230] | 4-6,4-6 | |
| London, Great Britain | 06/13 11:10 | 19 | [206] Troicki, Viktor v Alejandro Tabilo [166] | 6-4,6-3 | |
| London, Great Britain | 06/12 11:35 | 14 | [86] Lucas Pouille v Troicki, Viktor [206] | 4-6,7-6,4-6 | |
| Challenger - Nottingham | 06/07 10:00 | 19 | [206] Troicki, Viktor v Ebden, Matthew [230] | 3-6,6-4,2-6 | |
| Challenger - Nottingham | 06/06 16:35 | 14 | Troicki, Viktor v Alastair Gray | 7-6,6-1 | |
| French Open, Paris, France | 05/26 11:35 | 15 | [205] Troicki, Viktor v Aleksandar Vukic [208] | 6-3,2-6,4-6 | |
| French Open, Paris, France | 05/24 10:05 | 14 | [121] Thiago Seyboth Wild v Troicki, Viktor [205] | 6-0,6-7,6-7 | |
| Belgrade, Serbia | 04/19 11:40 | 25 | [196] Troicki, Viktor v Marco Cecchinato [94] | 1-6,4-6 | |
| Challenger Belgrade | 04/11 10:00 | 14 | [197] Troicki, Viktor v Elliot Benchetrit [244] | 6-2,3-6,6-7 | |
| ATP - Dubaï | 03/14 07:00 | 19 | [87] Emil Ruusuvuori v Troicki, Viktor [196] | 6-2,6-2 | |
| ATP - Dubaï | 03/13 08:25 | 14 | [196] Troicki, Viktor v Marc Polmans [135] | 7-5,6-0 | |
| ATP - Marseille | 03/07 13:25 | 14 | [199] Troicki, Viktor v Steven Diez [172] | 6-3,2-6,2-6 | |
| Nur Sultan, Kazakhstan | 03/04 08:55 | 26 | [243] Tung-Lin Wu v Troicki, Viktor [199] | 6-3,7-6 | |
| Nur Sultan, Kazakhstan | 03/02 12:05 | 25 | [199] Troicki, Viktor v Emil Ruusuvuori [87] | 6-4,6-2 | |
| Open d'Australie | 02/09 04:45 | 23 | [177] Michael Mmoh v Troicki, Viktor [202] | 7-6,6-7,3-6,7-6,7-5 | |
| ATP Murray River Open | 02/02 08:00 | 24 | [202] Troicki, Viktor v Emil Ruusuvuori [86] | 3-6,4-6 | |
| Open d'Australie | 01/13 07:30 | 19 | [126] Stebe, Cedrik-Marcel v Troicki, Viktor [202] | 4-6,2-6 | |
| Open d'Australie | 01/12 09:25 | 15 | [246] Ulises Blanch v Troicki, Viktor [202] | 5-7,3-6 | |
| Open d'Australie | 01/10 09:55 | 60 | [202] Troicki, Viktor v Jurij Rodionov [143] | 2-6,6-2,6-1 | |
| Sofia, Bulgaria | 11/09 16:30 | 25 | [77] Egor Gerasimov v Troicki, Viktor [194] | 6-3,3-6,6-3 | |
| Sofia, Bulgaria | 11/08 12:40 | 164 | [424] Ornago, Fabrizio v Troicki, Viktor [194] | 2-6,4-6 | |
| Sofia, Bulgaria | 11/07 13:50 | 64 | [194] Troicki, Viktor v Evgeny Donskoy [120] | 6-4,6-7,6-4 | |
| Astana, Kazakhstan | 10/26 10:55 | 164 | [98] Emil Ruusuvuori v Troicki, Viktor [196] | 6-3,6-7,6-3 | |
| Astana, Kazakhstan | 10/25 09:40 | 26 | [196] Troicki, Viktor v Evgeny Donskoy [118] | 6-0,6-4 | |
| Challenger Ismaning | 10/19 15:50 | 25 | [130] Antoine Hoang v Troicki, Viktor [197] | 4-6,7-5,6-1 | |
| St. Petersburg, Russia | 10/14 10:00 | 25 | [197] Troicki, Viktor v Denis Shapovalov [12] | 2-6,3-6 | |
| St. Petersburg, Russia | 10/11 14:45 | 164 | [136] Ilya Ivashka v Troicki, Viktor [192] | 7-5,6-1 |