| ATP - Acapulco | 03/13 22:30 | 14 | [159] Petrovic, Danilo v Thiago Seyboth Wild [124] | 3-6,6-4,4-6 | |
| Challenger Gran Canaria | 03/01 14:00 | 25 | [290] Riccardo Bonadio v Petrovic, Danilo [157] | Retired | |
| Challenger Gran Canaria | 02/22 14:20 | 25 | [154] Petrovic, Danilo v Kimmer Coppejans [182] | 1-6,1-6 | |
| Challenger Antalya | 02/01 11:20 | 25 | Joao Menezes v Petrovic, Danilo | Cancelled | |
| Challenger Antalya | 01/29 07:00 | 25 | Varillas, Juan Pablo v Petrovic, Danilo | Cancelled | |
| Istanbul, Turkey | 01/18 13:25 | 25 | [129] Lorenzo Musetti v Petrovic, Danilo [145] | 6-4,7-6 | |
| Open d'Australie | 01/11 07:30 | 60 | [174] Michael Mmoh v Petrovic, Danilo [144] | 6-3,6-2 | |
| ATP Cologne 2 | 10/20 16:00 | 25 | Petrovic, Danilo v Dennis Novak | Cancelled | |
| ATP Cologne 2 | 10/20 09:00 | - | Petrovic, Danilo v Andy Murray | View | |
| ATP Sardinia | 10/17 11:00 | 28 | [166] Petrovic, Danilo v Marco Cecchinato [103] | 1-6,0-6 | |
| ATP Sardinia | 10/16 13:55 | 27 | [166] Petrovic, Danilo v Delbonis, Federico [78] | 7-6,6-1 | |
| ATP Sardinia | 10/14 12:30 | 26 | [166] Petrovic, Danilo v Roberto Carballes Baena [96] | 6-1,6-4 | |
| ATP Sardinia | 10/11 08:00 | 164 | [296] Andrea Pellegrino v Petrovic, Danilo [160] | 7-6,3-6,6-2 | |
| ATP Sardinia | 10/10 12:25 | 64 | [258] Tomas Martin Etcheverry v Petrovic, Danilo [160] | 4-6,2-6 | |
| Parma II, Italy | 10/06 09:55 | 25 | [206] Juan Pablo Ficovich v Petrovic, Danilo [160] | 6-3,7-6 | |
| Parma II, Italy | 10/06 08:00 | 25 | Lloyd Harris v Petrovic, Danilo | Cancelled | |
| Challenger - Split | 09/28 11:20 | 25 | [160] Petrovic, Danilo v Brandon Nakashima [201] | 5-7,6-2,6-7 | |
| Open de France | 09/21 09:20 | 14 | [158] Petrovic, Danilo v Alessandro Giannessi [169] | 4-6,6-7 | |
| Challenger - Aix en Provence | 09/12 09:55 | 27 | [161] Petrovic, Danilo v Oscar Otte [219] | 3-6,2-6 | |
| Challenger - Aix en Provence | 09/11 08:00 | 26 | [101] Carballes Baena, Roberto v Petrovic, Danilo [161] | 7-5,3-6,5-7 | |
| Challenger - Aix en Provence | 09/07 15:45 | 25 | [161] Petrovic, Danilo v Varillas, Juan Pablo [137] | 6-1,6-7,6-2 | |
| Eastern European Championship | 07/31 11:00 | 1 | [157] Petrovic, Danilo v Zukas, Matias [392] | 2-6,6-3,6-4 | |
| Eastern European Championship | 07/30 08:00 | 1 | Petrovic, Danilo v Cengiz Aksu | 6-7,7-5,7-5 | |
| Eastern European Championship | 07/29 11:10 | 1 | Petrovic, Danilo v Milan Drinic | 3-6,3-6 | |
| Eastern European Championship | 07/27 09:30 | - | Petrovic, Danilo v Rajic, Dusan | 6-2,6-4 | |
| Adria Tour | 06/21 15:35 | 1 | [37] Marin Cilic v Petrovic, Danilo [157] | 2-4,2-4 | |
| Adria Tour | 06/20 18:30 | 1 | [14] Andrey Rublev v Petrovic, Danilo [157] | 4-2,4-1 | |
| Adria Tour | 06/20 12:50 | 1 | [7] Alexander Zverev v Petrovic, Danilo [157] | 3-4,3-4 | |
| Adriatic Tennis Series | 06/19 12:00 | 1 | [157] Petrovic, Danilo v Krstin, Pedja [246] | 6-3,6-0 | |
| Adriatic Tennis Series | 06/18 14:00 | 1 | [157] Petrovic, Danilo v Nino Serdarusic [299] | 6-4,6-1 |