| UTR Pro Tennis Series Zadar | 03/06 08:30 | - | Ilya Snitari v Danilo Petrovic | 6-3,0-0 | |
| UTR Pro Tennis Series Zadar | 03/05 13:00 | - | Domagoj Biljesko v Danilo Petrovic | 6-1,5-7,4-1 | |
| UTR Pro Tennis Series Zadar | 03/04 09:30 | - | Danilo Petrovic v Janos Fekete | 7-5,5-2 | |
| UTR Pro Tennis Series Zadar | 03/02 09:00 | - | Danilo Petrovic v Deni Zmak | 6-7,5-6 | |
| UTR Pro Tennis Series Zadar | 03/01 14:30 | - | Danilo Petrovic v Domen Gostincar | 6-4,6-3 | |
| UTR Pro Tennis Series Zadar | 02/28 14:30 | - | Matej Galik v Danilo Petrovic | 2-6,6-2,1-6 | |
| ATP Stockholm | 11/06 11:00 | 14 | [135] Jozef Kovalik v Danilo Petrovic [293] | 7-6,7-6 | |
| Challenger Bergamo | 11/01 13:00 | 25 | [121] Liam Broady v Danilo Petrovic [293] | 6-3,3-6,6-3 | |
| Challenger Losinj | 10/18 11:30 | 25 | [278] Danilo Petrovic v Mathias Bourgue [228] | Retired | |
| Challenger Sibiu | 09/27 10:20 | 25 | [197] Vit Kopriva v Danilo Petrovic [207] | 7-5,7-5 | |
| Challenger Szczecin | 09/14 10:00 | 25 | [181] Danilo Petrovic v Alex Rybakov [371] | 1-6,2-6 | |
| Challenger Banja Luka | 09/07 14:30 | 25 | Danilo Petrovic v Marko Topo | 6-4,6-7,2-6 | |
| US Open | 08/24 15:00 | 14 | [177] Danilo Petrovic v Jurij Rodionov [140] | 4-6,3-6 | |
| Challenger Trieste | 07/27 08:00 | 25 | Danilo Petrovic v Andrea Pellegrino | Cancelled | |
| ATP Hamburg | 07/10 09:00 | 14 | [222] Daniel Masur v Danilo Petrovic [173] | 2-6,6-4,6-3 | |
| Challenger Salzburg | 07/08 09:00 | 26 | [173] Danilo Petrovic v Pablo Cuevas [84] | 1-6,4-6 | |
| Challenger Salzburg | 07/06 12:20 | 25 | [190] Ernests Gulbis v Danilo Petrovic [173] | 2-6,6-7 | |
| Wimbledon | 06/22 12:40 | 14 | Danilo Petrovic v Felix Gill | 5-7,6-7 | |
| Challenger Biella | 06/01 10:35 | 25 | [165] Danilo Petrovic v Jacopo Berrettini [302] | Retired | |
| French Open | 05/26 12:30 | 15 | [165] Danilo Petrovic v Oscar Otte [152] | 1-6,5-7 | |
| French Open | 05/25 08:30 | 14 | [206] Mitchell Krueger v Danilo Petrovic [165] | 6-3,3-6,2-6 | |
| Challenger Rome | 04/29 08:00 | 26 | Danilo Petrovic v Flavio Cobolli | 2-6,2-6 | |
| Challenger Rome | 04/27 09:30 | 25 | [157] Danilo Petrovic v Igor Sijsling [307] | 6-1,7-6 | |
| ATP Belgrade | 04/19 17:00 | 25 | [43] John Millman v Danilo Petrovic [157] | 7-5,6-4 | |
| Challenger Belgrade | 04/14 08:45 | 25 | [238] Marco Trungelliti v Danilo Petrovic [158] | 6-3,6-2 | |
| Challenger Split | 04/09 09:00 | 27 | [161] Danilo Petrovic v Andrea Collarini [213] | 2-6,3-6 | |
| Challenger Split | 04/07 09:00 | 26 | [161] Danilo Petrovic v Maximilian Marterer [214] | 6-1,6-3 | |
| Challenger Split | 04/05 12:10 | 25 | [161] Danilo Petrovic v Lukas Rosol [183] | 6-1,6-3 | |
| Challenger Marbella | 03/30 15:35 | 25 | [160] Danilo Petrovic v Nikola Milojevic [148] | 6-3,3-6,4-6 | |
| ATP Miami | 03/22 19:15 | 14 | [280] Mischa Zverev v Danilo Petrovic [160] | 7-6,6-2 |