| ATP Beijing | 09/29 08:10 | 64 | [254] Zhe Li v Viktor Troicki [131] | 5-7,4-6 | |
| ATP Beijing | 09/29 08:00 | 64 | Malek Jaziri v Viktor Troicki | Cancelled | |
| ATP Shenzhen | 09/26 07:00 | 26 | [52] Albert Ramos-Vinolas v Viktor Troicki [131] | 7-6,4-6,7-6 | |
| ATP Shenzhen | 09/24 08:10 | 25 | [81] Guillermo Garcia-Lopez v Viktor Troicki [131] | Retired | |
| ATP St Petersburg | 09/16 10:25 | 64 | [115] Viktor Troicki v Lucas Miedler [223] | 2-6,3-6 | |
| Challenger Chicago | 09/04 16:55 | 25 | [175] Bjorn Fratangelo v Viktor Troicki [102] | 2-6,6-2,6-0 | |
| US Open | 08/28 17:25 | 23 | [102] Viktor Troicki v Tennys Sandgren [61] | 3-6,4-6,2-6 | |
| ATP Stuttgart | 06/12 10:30 | 25 | [91] Viktor Troicki v Feliciano Lopez [33] | Retired | |
| French Open | 05/27 09:00 | - | Viktor Troicki v Grigor Dimitrov | Cancelled | |
| ATP Rome Qual | 05/13 10:20 | 46 | Frances Tiafoe v Viktor Troicki | Walkover | |
| ATP Rome Qual | 05/12 08:00 | 45 | [105] Thomas Fabbiano v Viktor Troicki [87] | 5-7,3-6 | |
| ATP Madrid Qual | 05/06 12:20 | 46 | [71] Viktor Troicki v Mikhail Kukushkin [96] | 6-7,1-6 | |
| ATP Madrid Qual | 05/05 16:00 | 45 | [71] Viktor Troicki v Pedro Cachin [300] | 4-6,6-3,7-5 | |
| ATP Istanbul | 05/02 12:30 | 26 | [71] Viktor Troicki v Rogerio Dutra Silva [121] | 2-6,3-6 | |
| ATP Istanbul | 04/30 11:25 | 25 | [71] Viktor Troicki v Bernard Tomic [210] | 3-6,6-0,7-5 | |
| ATP Budapest | 04/24 11:00 | 25 | [74] Maximilian Marterer v Viktor Troicki [71] | 3-6,6-4,6-4 | |
| ATP Monte Carlo Qual | 04/14 12:35 | 45 | [68] Viktor Troicki v Sergiy Stakhovsky [117] | 1-6,3-6 | |
| ATP Marrakech | 04/10 09:00 | - | Viktor Troicki v Jan-Lennard Struff | Cancelled | |
| ATP Miami | 03/22 15:00 | 23 | [46] Denis Shapovalov v Viktor Troicki [68] | 6-3,6-7,7-6 | |
| ATP Indian Wells | 03/09 21:35 | 23 | Viktor Troicki v Marton Fucsovics | 6-7,1-6 | |
| ATP Dubai | 02/26 15:00 | 25 | Marcos Baghdatis v Viktor Troicki | 7-5,6-2 | |
| ATP Rotterdam | 02/14 15:30 | 26 | Tomas Berdych v Viktor Troicki | 6-1,6-2 | |
| ATP Rotterdam | 02/13 12:55 | 25 | Jan-Lennard Struff v Viktor Troicki | 6-1,6-7,2-6 | |
| ATP Sofia | 02/09 16:00 | 27 | Stan Wawrinka v Viktor Troicki | 6-1,7-6 | |
| ATP Sofia | 02/08 12:50 | 26 | Denis Istomin v Viktor Troicki | 6-7,6-1,6-7 | |
| ATP Sofia | 02/06 17:40 | 25 | Ernests Gulbis v Viktor Troicki | 3-6,7-6,3-6 | |
| Australian Open | 01/17 07:45 | 24 | Nick Kyrgios v Viktor Troicki | 7-5,6-4,7-6 | |
| Australian Open | 01/15 03:20 | 23 | Viktor Troicki v Alex Bolt | 6-7,4-6,6-2,6-3,6-4 | |
| ATP Sydney | 01/07 03:00 | 25 | Alexandr Dolgopolov v Viktor Troicki | 6-3,6-7,7-5 | |
| ATP Doha | 01/02 15:30 | 25 | Viktor Troicki v Matteo Berrettini | 6-4,6-7,4-6 |