| Challenger Todi | 07/12 17:10 | 25 | [151] Federico Gaio v Viktor Galovic [354] | 6-3,6-2 | |
| Challenger Milano | 06/22 10:25 | 25 | [260] Gian Marco Moroni v Viktor Galovic [334] | 6-2,6-3 | |
| Challenger Forlì | 06/15 09:30 | 25 | [250] Gastao Elias v Viktor Galovic [334] | 6-3,6-2 | |
| Challenger Oeiras | 05/26 10:00 | 26 | [287] Carlos Gimeno Valero v Viktor Galovic [330] | 6-4,6-2 | |
| Challenger Oeiras | 05/24 11:45 | 25 | [330] Viktor Galovic v Duje Ajdukovic [305] | 4-6,7-6,6-1 | |
| Challenger Biella | 05/17 11:00 | 19 | [329] Viktor Galovic v Tim Van Rijthoven [303] | 6-7,3-6 | |
| Challenger Biella | 05/16 12:10 | 14 | [257] Teymuraz Gabashvili v Viktor Galovic [329] | 1-6,4-6 | |
| ITF M25 Praga | 05/13 14:00 | 26 | [306] Manuel Guinard v Viktor Galovic [329] | 7-6,6-2 | |
| ITF M25 Praga | 05/11 12:50 | 25 | [329] Viktor Galovic v Vit Kopriva [259] | 7-5,6-3 | |
| Challenger Biella | 05/04 11:55 | 25 | [233] Jay Clarke v Viktor Galovic [330] | 7-5,6-2 | |
| Challenger Biella | 05/03 08:30 | 19 | [330] Viktor Galovic v Dimitar Kuzmanov [242] | 6-4,6-2 | |
| Challenger Biella | 05/02 11:00 | 14 | [213] Tatsuma Ito v Viktor Galovic [328] | 4-6,3-6 | |
| Challenger Rome Qual. | 04/25 08:00 | 14 | Viktor Galovic v Evgeny Karlovskiy | 3-6,4-6 | |
| Challenger Spalato - Qual. | 04/11 09:00 | 14 | [223] Zdenek Kolar v Viktor Galovic [309] | 6-1,6-4 | |
| Challenger Potchefstroom | 02/16 09:35 | 25 | [191] Liam Broady v Viktor Galovic [285] | 6-3,6-1 | |
| Challenger Potchefstroom | 02/08 10:50 | 25 | [220] Peter Polansky v Viktor Galovic [285] | 6-2,3-6,7-6 | |
| ITF M15 Antalya | 01/21 09:55 | 25 | Nicolae Frunza v Viktor Galovic | 6-2,7-5 | |
| ATP Delray Beach | 01/06 16:00 | 19 | [284] Viktor Galovic v Roberto Quiroz [293] | 3-6,5-7 | |
| ATP Delray Beach | 01/05 15:00 | 164 | [284] Viktor Galovic v Aziz Dougaz [377] | 6-4,6-3 | |
| Challenger Ortisei | 11/14 09:00 | 64 | [310] Johannes Haerteis v Viktor Galovic [282] | 4-6,7-6,6-4 | |
| ITF M15 Quinta Do Lago | 11/05 09:50 | 26 | Viktor Galovic v Joao Monteiro | 4-6,4-6 | |
| ITF M15 Quinta Do Lago | 11/04 10:00 | 25 | Viktor Galovic v Antonio Cayetano March | 6-3,6-4 | |
| ITF M25 Vale Do Lobo | 10/30 12:00 | 27 | Viktor Galovic v Gastao Elias | 2-6,6-7 | |
| ITF M25 Vale Do Lobo | 10/29 12:40 | 26 | [277] Viktor Galovic v Duje Ajdukovic [388] | 6-4,6-4 | |
| ITF M25 Vale Do Lobo | 10/28 10:30 | 25 | [277] Viktor Galovic v Genaro Alberto Olivieri [406] | 6-4,6-2 | |
| Challenger Istanbul | 10/18 12:25 | 164 | [221] Mackenzie McDonald v Viktor Galovic [275] | 6-2,6-4 | |
| Challenger Istanbul | 10/17 08:50 | 26 | Shuichi Sekiguchi v Viktor Galovic | Cancelled | |
| Challenger Istanbul | 10/17 08:45 | 64 | [337] Ivan Nedelko v Viktor Galovic [275] | 4-6,2-6 | |
| Challenger Lisbona | 10/10 09:00 | 64 | [309] Orlando Luz v Viktor Galovic [272] | 6-4,4-6,6-4 | |
| Challenger Parma | 10/03 12:30 | 26 | [272] Viktor Galovic v Hugo Grenier [249] | 2-6,4-6 |