| ITF M25 Belgrade | 2021/06/30 08:45 | Slavic, Nikola v Akira Santillan | 1-6,1-6 |
| ITF M25 Belgrade | 2021/06/29 09:00 | Botezan, George v Slavic, Nikola | 4-6,2-6 |
| ITF M25 Belgrade | 2021/06/28 07:00 | Slavic, Nikola v Toby Martin | 6-4,6-3 |
| ITF M25 Belgrade | 2021/06/27 07:00 | Paul Valsecchi v Slavic, Nikola | 4-6,4-6 |
| Ystad, Singles M-ITF-SWE-03A | 2019/08/06 11:35 | Yitbarek, Simon v Slavic, Nikola | 6-3,6-2 |
| ITF - M15 Antalya | 2019/04/18 07:30 | Slavic, Nikola v Bogdan Bobrov | 1-6,2-6 |
| ITF - M15 Antalya | 2019/04/17 11:15 | Illya Beloborodko v Slavic, Nikola | 6-1,3-6,6-7 |
| ITF Estonia F3 | 2018/11/03 11:00 | Vajda, Peter v Slavic, Nikola | 6-1,6-2 |
| ITF M25 Belgrade | 2021/06/29 07:00 | Jaimee Floyd Angele v Dusan Obradovic | 6-2,7-6 |
| ITF M25 Belgrade | 2021/06/28 07:00 | Dusan Obradovic v Luka Pavlovic | 6-4,3-6,10-4 |
| ITF M25 Belgrade | 2021/06/27 09:00 | Dusan Obradovic v Marat Sharipov | 6-3,6-1 |
| 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 | Micov, Stefan v Dusan Obradovic | 1-6,4-6 |
| ITF M15 Brcko | 2021/05/18 07:00 | Vukovic, Milos v Dusan Obradovic | 4-6,0-6 |
| ITF M15 Brcko | 2021/05/16 09:30 | Dusan Obradovic v Pjevcevic, Petar | 6-4,6-0 |
| ITF M15 Bratislava | 2021/03/01 15:00 | Dusan Obradovic v Velcz, Zsombor | 4-6,2-6 |