| Challenger Launceston | 02/05 23:00 | 25 | Kevin King v Danilo Petrovic | 6-2,7-5 | |
| Challenger Burnie | 01/29 06:00 | 25 | Gerard Granollers v Danilo Petrovic | 4-6,7-6,7-6 | |
| Australian Open Qual | 01/11 06:55 | 45 | Danilo Petrovic v Dennis Novak | 7-6,4-6,5-7 | |
| Australian Open Qual | 01/10 00:45 | 44 | Nicolas Mahut v Danilo Petrovic | 6-7,3-6 | |
| Challenger Bangkok | 01/02 04:25 | 25 | Flavio Cipolla v Danilo Petrovic | 3-6,6-3,6-3 | |
| Challenger Hua Hin | 11/20 10:30 | 25 | [250] Danilo Petrovic v Rubin Statham [301] | 6-7,3-6 | |
| Challenger Shenzhen 2 | 11/02 05:00 | 26 | [103] Radu Albot v Danilo Petrovic [251] | 3-6,6-3,6-3 | |
| Challenger Shenzhen 2 | 10/31 06:30 | 25 | [251] Danilo Petrovic v Miomir Kecmanovic [209] | 2-6,6-1,6-4 | |
| Challenger Suzhou | 10/25 04:40 | 26 | [257] Danilo Petrovic v Ze Zhang [221] | 7-5,4-6,2-6 | |
| Challenger Suzhou | 10/23 02:30 | 25 | Danilo Petrovic v Zihao Xia | 6-2,6-3 | |
| ATP Moscow Qual | 10/14 12:45 | 26 | [152] Yuki Bhambri v Danilo Petrovic [257] | 6-4,6-4 | |
| Challenger Tashkent | 10/11 06:30 | 26 | [193] Uladzimir Ignatik v Danilo Petrovic [257] | 6-4,6-2 | |
| Challenger Tashkent | 10/10 05:00 | 25 | [159] Luca Margaroli v Danilo Petrovic [257] | 3-6,7-6,3-6 | |
| Challenger Tashkent Qual | 10/09 05:30 | 54 | [255] Danilo Petrovic v Vishnu Vardhan [488] | 7-5,4-6,6-3 | |
| Challenger Tashkent Qual | 10/08 06:00 | 46 | Danilo Petrovic v Amal Sultanbekov | 6-1,6-1 | |
| Challenger Orleans | 09/27 19:40 | 26 | [91] Andrey Kuznetsov v Danilo Petrovic [264] | 6-7,6-2,6-3 | |
| Challenger Orleans | 09/26 12:30 | 25 | [264] Danilo Petrovic v Corentin Denolly [480] | 6-2,6-3 | |
| Challenger Izmir | 09/23 09:30 | 28 | [276] Stephane Robert v Danilo Petrovic [306] | 6-1,6-4 | |
| Challenger Izmir | 09/22 10:40 | 27 | [306] Danilo Petrovic v Alexander Bublik [96] | 6-4,6-3 | |
| Challenger Izmir | 09/20 11:20 | 26 | [172] Aldin Setkic v Danilo Petrovic [306] | 6-1,4-6,2-6 | |
| Challenger Izmir | 09/19 09:10 | 25 | [306] Danilo Petrovic v Lloyd Harris [229] | 6-7,6-3,6-3 | |
| Challenger Banja Luka | 09/14 08:00 | 26 | [121] Maximilian Marterer v Danilo Petrovic [303] | 6-2,6-1 | |
| Challenger Banja Luka | 09/13 09:00 | 25 | [303] Danilo Petrovic v Ivan Gakhov [318] | 6-3,7-5 | |
| ITF Serbia F4 | 09/01 08:00 | 27 | Cristian Carli v Danilo Petrovic | 6-2,6-4 | |
| ITF Serbia F4 | 08/31 09:25 | 26 | Franjo Raspudic v Danilo Petrovic | 3-6,1-6 | |
| ITF Serbia F4 | 08/29 11:00 | 25 | Daniel Appelgren v Danilo Petrovic | 2-6,4-6 | |
| Challenger Manerbio | 08/23 15:55 | 26 | [136] Guillermo Garcia-Lopez v Danilo Petrovic [286] | 6-4,1-6,6-3 | |
| Challenger Manerbio | 08/21 13:45 | 25 | [232] Andrea Arnaboldi v Danilo Petrovic [286] | 4-6,3-6 | |
| Challenger Cordenons | 08/17 13:30 | 26 | Andrea Pellegrino v Danilo Petrovic | 5-7,6-4,6-3 | |
| Challenger Cordenons | 08/15 18:45 | 25 | Danilo Petrovic v Guillermo Garcia Lopez | 7-6,6-2 |