Stadium: Court 3 Round: 25 Ground: Hardcourt outdoor
| ITF - M15 Monastir | 2021/12/30 12:55 | Balzerani, Riccardo v Dusan Obradovic | 7-5,6-3 |
| ITF - M15 Monastir | 2021/12/28 09:35 | Thomas Deschamps v Dusan Obradovic | 3-6,2-6 |
| ITF - M15 Monastir | 2021/12/22 10:10 | Dusan Obradovic v Moez Echargui | 1-6,3-6 |
| Pirot, Singles M-ITF-SRB-05A | 2021/09/20 08:00 | Dusan Obradovic v Luca Castagnola | 3-6,5-7 |
| ITF M15 Zlatibor | 2021/09/13 08:00 | Dusan Obradovic v Jasza Szajrych | 5-7,3-6 |
| ITF M15 Ulcinj | 2021/08/30 11:30 | Dusan Obradovic v Rajic, Dusan | 4-6,6-3,2-10 |
| ITF M15 Ulcinj | 2021/08/30 07:30 | Dusan Obradovic v Stefan Vujic | 3-6,6-3,10-7 |
| ITF M15 Novi Sad | 2021/08/03 10:05 | Charles Broom v Dusan Obradovic | 6-4,6-2 |
| ITF M25 Monastir | 2022/01/03 12:30 | Marquiselli, Victorio v Wunderlich, Yannick | 4-6,7-5,10-6 |
| ITF - M15 Monastir | 2021/12/27 09:00 | Marquiselli, Victorio v Ryuki Matsuda | 0-6,3-6 |
| ITF - M15 Monastir | 2021/12/22 12:00 | Samuel Vincent Ruggeri v Marquiselli, Victorio | 6-0,6-1 |
| ITF - M15 Monastir | 2021/12/20 13:30 | Marquiselli, Victorio v Miles Groom | 6-3,6-1 |
| ITF - M15 Monastir | 2021/12/20 09:00 | Marquiselli, Victorio v Karim Al-Amin | 6-3,6-4 |
| ITF - M15 Antalya | 2021/12/14 08:20 | Marquiselli, Victorio v Bejenaru, Adrian Mateo | 3-6,6-3,6-10 |
| ITF - M15 Antalya | 2021/12/13 07:30 | Marquiselli, Victorio v Justin Engel | 6-3,6-2 |
| ITF - M15 Antalya | 2021/12/06 12:30 | Marquiselli, Victorio v Gheorghe Claudiu Schinteie | 0-6,1-6 |