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