Stadium: Court 6 Round: 62 Ground: Clay
| ITF M15 Novi Sad | 2021/07/26 09:00 | Gabriel Donev v Rajic, Dusan | 6-2,6-2 |
| ITF M15 Novi Sad | 2021/07/25 08:15 | Biagio Gramaticopolo v Rajic, Dusan | 4-6,4-6 |
| ITF - M15 Doboj | 2021/07/11 12:30 | Rajic, Dusan v Dusan Obradovic | 4-6,3-6 |
| ITF M25 Velenje | 2021/07/05 12:05 | Vianello, Michele v Rajic, Dusan | 6-4,6-2 |
| ITF M25 Velenje | 2021/07/04 07:30 | Cabrera Bello, Inaki v Rajic, Dusan | 1-6,4-6 |
| ITF M25 Belgrade | 2021/06/28 07:00 | Edoardo Lavagno v Rajic, Dusan | 6-1,6-2 |
| ITF M25 Belgrade | 2021/06/27 07:00 | Rajic, Dusan v Mikhaylyuk, Ivan | 2-6,6-0,12-10 |
| ITF - M15 Brcko | 2021/05/21 13:05 | Rajic, Dusan v Eric Vanshelboim | 3-6,1-6 |
| ITF M15 Novi Sad | 2021/08/01 14:00 | Stefanos Sakellaridis v Lukas Palovic | 4-6,1-6 |
| ITF M25 Kottingbrunn | 2021/07/21 12:05 | Lukas Palovic v Kodat, Toby Alex | 2-6,2-6 |
| ITF M25 Kottingbrunn | 2021/07/20 08:00 | Martin Krumich v Lukas Palovic | 7-5,6-2 |
| ITF M25 Kottingbrunn | 2021/07/19 12:35 | Santiago Giamichelle v Lukas Palovic | 2-6,3-6 |
| ITF M25 Kottingbrunn | 2021/07/18 07:30 | Dominique Graf v Lukas Palovic | 1-6,4-6 |
| ITF M25 Telfs | 2021/07/16 11:25 | Alex M Pujolras v Lukas Palovic | 6-4,6-2 |
| ITF M25 Telfs | 2021/07/15 12:45 | Ibrahim, Hasan v Lukas Palovic | 2-6,2-6 |
| ITF M25 Telfs | 2021/07/13 07:30 | Lukas Palovic v Giovanni Oradini | 3-6,2-6 |