| UTR Pro Tennis Series Portoroz | 2021/08/25 07:00 | Nik Razborsek v Gostincar, Domen | 2-0 |
| UTR Pro Tennis Series Portoroz | 2021/08/24 08:30 | Nik Razborsek v Kolisnyk, Olexiy | 5-7,6-2,2-6 |
| Coupe Davis | 2020/03/08 12:00 | Qureshi, Aisam v Nik Razborsek | 4-6,7-5,7-6 |
| Trnava, Singles Main, M-ITF-SVK-03A | 2020/02/27 14:25 | Kalenichenko, Danylo v Nik Razborsek | 6-4,6-4 |
| Trnava, Singles Main, M-ITF-SVK-03A | 2020/02/25 11:30 | Nik Razborsek v Andrew Paulson | 7-5,6-4 |
| ITF - M15 Antalya | 2020/01/22 08:45 | Nik Razborsek v Marlon Vankan | 1-6,3-6 |
| ITF M15 Opava | 2019/10/31 09:00 | Nik Razborsek v Pospisil, Jaroslav | 5-7,5-7 |
| ITF M15 Opava | 2019/10/29 12:30 | Nik Razborsek v Vilardo, Francesco | 6-3,6-3 |
| UTR Pro Tennis Series Portoroz | 2021/08/25 07:00 | Kolisnyk, Olexiy v Tadic, Vladan | 6-2,3-6,2-1 |
| ITF - M15 Doboj | 2021/07/15 10:30 | Andrew Fenty v Tadic, Vladan | 7-6,5-7,6-3 |
| ITF - M15 Doboj | 2021/07/14 16:05 | Tadic, Vladan v Aziz Ouakaa | 7-5,6-4 |
| ITF - M15 Doboj | 2021/07/13 08:00 | Tadic, Vladan v Marko Stakusic | 6-3,6-4 |
| ITF - M15 Doboj | 2021/07/12 09:30 | Micov, Stefan v Tadic, Vladan | 6-4,3-6,4-10 |
| ITF - M15 Doboj | 2021/07/11 08:15 | Ivic, Stefan v Tadic, Vladan | 3-6,6-3,8-10 |
| Sarajevo, Singles Main, M-ITF-BIH-05A | 2021/05/31 12:00 | Ali Habib v Tadic, Vladan | 4-6,6-3,10-6 |
| ITF - M15 Brcko | 2021/05/16 14:00 | Tadic, Vladan v Breut, Lilian | 4-6,4-6 |