| ITF M15 Brcko | 2021/05/21 10:10 | Dusan Obradovic v Viktor Jovic | 2-6,1-6 |
| ITF M15 Brcko | 2021/05/18 12:00 | Stefan Micov v Dusan Obradovic | 1-6,4-6 |
| ITF M15 Brcko | 2021/05/18 07:00 | Milos Vukovic v Dusan Obradovic | 4-6,0-6 |
| ITF M15 Brcko | 2021/05/16 09:30 | Dusan Obradovic v Petar Pjevcevic | 6-4,6-0 |
| ITF M15 Bratislava | 2021/03/01 15:00 | Dusan Obradovic v Zsombor Velcz | 4-6,2-6 |
| ITF M15 Monastir | 2020/12/13 13:30 | Yanais Laurent v Dusan Obradovic | 6-1,6-2 |
| ITF M15 Monastir | 2020/12/13 09:30 | Dusan Obradovic v Skander Ben Abdallah | 6-3,6-3 |
| ITF M15 Monastir | 2020/12/06 08:00 | Luca Potenza v Dusan Obradovic | 1-6,6-3,10-5 |
| ITF M15 Antalya | 2021/05/31 09:30 | Michalis Sakellaridis v Edouard Villoslada | 7-6,4-6,10-4 |
| ITF M15 Antalya | 2021/05/30 07:30 | Michalis Sakellaridis v Ali Amiri | 6-3,6-2 |
| ITF M15 Antalya | 2021/05/26 07:15 | Leonardo Malgaroli v Michalis Sakellaridis | 6-1,6-2 |
| ITF M15 Antalya | 2021/05/25 07:00 | Daniil Glinka v Michalis Sakellaridis | 6-7,5-7 |
| ITF M15 Antalya | 2021/05/24 10:00 | Michalis Sakellaridis v Fletcher Scott | 6-2,0-6,11-9 |
| ITF M15 Antalya | 2021/05/16 07:00 | Santiago De La Fuente v Michalis Sakellaridis | 4-6,6-4,10-8 |
| ITF M15 Antalya | 2021/05/09 07:00 | Mariano Navone v Michalis Sakellaridis | 7-5,6-7,12-10 |
| ITF M15 Antalya | 2021/05/02 06:00 | Jean Thirouin v Michalis Sakellaridis | 6-2,6-0 |