| Challenger Sibiu | 09/21 09:30 | 28 | [259] Danilo Petrovic v Alex Molcan [396] | 6-3,6-3 | |
| Challenger Sibiu | 09/20 09:30 | 27 | [259] Danilo Petrovic v Laurent Lokoli [385] | 6-4,7-6 | |
| Challenger Sibiu | 09/19 08:00 | 26 | [259] Danilo Petrovic v Juan P Varillas [354] | 7-6,6-3 | |
| Challenger Sibiu | 09/17 11:10 | 25 | [156] Robin Haase v Danilo Petrovic [259] | 3-6,2-6 | |
| Challenger Sibiu | 09/16 12:10 | 24 | [297] Uladzimir Ignatik v Danilo Petrovic [263] | 6-7,4-6 | |
| Challenger Banja Luka | 09/10 13:25 | 25 | [263] Danilo Petrovic v Danylo Kalenichenko [470] | 6-3,5-7,6-7 | |
| Challenger Mallorca | 08/27 17:20 | 25 | [147] Sergiy Stakhovsky v Danilo Petrovic [247] | Retired | |
| Challenger Mallorca | 08/26 09:00 | 24 | Aaron Cohen v Danilo Petrovic | 3-6,2-6 | |
| Challenger Portoroz | 08/13 09:10 | 25 | [248] Danilo Petrovic v Lukas Klein [343] | 3-6,4-6 | |
| ATP Los Cabos | 07/29 01:40 | 164 | [138] Jason Jung v Danilo Petrovic [250] | 6-4,7-6 | |
| ATP Los Cabos | 07/28 01:20 | 64 | [250] Danilo Petrovic v Sergiy Stakhovsky [144] | 6-4,7-6 | |
| Challenger Granby | 07/25 18:25 | 26 | [250] Danilo Petrovic v Yasutaka Uchiyama [165] | 4-6,4-6 | |
| Challenger Granby | 07/23 14:00 | 25 | [250] Danilo Petrovic v Alexander Sarkissian [340] | 7-6,6-4 | |
| Challenger Gatineau | 07/15 19:20 | 24 | [321] Michael Redlicki v Danilo Petrovic [254] | 6-3,4-6,7-5 | |
| Challenger Milan | 06/30 15:30 | 29 | [93] Hugo Dellien v Danilo Petrovic [285] | 7-5,6-4 | |
| Challenger Milan | 06/29 14:00 | 28 | [285] Danilo Petrovic v Sumit Nagal [224] | 7-5,6-2 | |
| Challenger Milan | 06/28 14:00 | 27 | [285] Danilo Petrovic v Frederico Ferreira Silva [316] | 6-3,6-4 | |
| Challenger Milan | 06/27 08:00 | 26 | [285] Danilo Petrovic v Nino Serdarusic [295] | 6-3,7-5 | |
| Challenger Milan | 06/26 09:30 | 25 | [218] Duckhee Lee v Danilo Petrovic [285] | 2-6,2-6 | |
| Challenger Milan | 06/24 10:45 | 24 | [285] Danilo Petrovic v Jelle Sels [306] | 4-6,6-3,6-4 | |
| Challenger Parma | 06/18 14:45 | 25 | [425] Jacopo Berrettini v Danilo Petrovic [287] | 6-4,7-5 | |
| Challenger Prostejov | 06/02 13:45 | 24 | [296] Danilo Petrovic v Arthur Rinderknech [386] | 4-6,4-6 | |
| Challenger Jerusalem | 05/26 14:00 | 29 | [336] Danilo Petrovic v Filip Peliwo [302] | 7-6,6-7,6-1 | |
| Challenger Jerusalem | 05/25 08:20 | 28 | [112] Brayden Schnur v Danilo Petrovic [336] | 3-6,2-6 | |
| Challenger Jerusalem | 05/24 09:00 | 27 | [336] Danilo Petrovic v Viktor Durasovic [387] | 7-5,6-3 | |
| Challenger Jerusalem | 05/23 09:30 | 26 | [336] Danilo Petrovic v Emil Ruusuvuori [395] | 6-3,6-4 | |
| Challenger Jerusalem | 05/22 12:30 | 25 | [211] Dudi Sela v Danilo Petrovic [336] | 3-6,6-7 | |
| Challenger Jerusalem | 05/20 08:20 | 24 | [428] Ben Patael v Danilo Petrovic [336] | 4-6,4-6 | |
| Challenger Rome | 05/07 10:50 | 24 | Hernan Casanova v Danilo Petrovic | 6-4,4-6,6-2 | |
| Challenger Puerto Vallarta | 04/30 16:00 | 24 | [376] Facundo Mena v Danilo Petrovic [292] | 6-1,7-6 |