| ITF M15 Sarajevo | 2021/06/02 10:30 | Dusan Trunic v Simon Beaupain | 2-6,4-6 |
| ITF M15 Novi Sad | 2021/07/25 10:45 | Stefan Ivic v Bogdan Pavel | 6-7,1-6 |
| ITF M15 Doboj | 2021/07/11 08:15 | Stefan Ivic v Vladan Tadic | 3-6,6-3,8-10 |
| ITF M25 Belgrade | 2021/06/28 10:00 | Jaimee Floyd Angele v Stefan Ivic | 6-3,7-5 |
| ITF M25 Belgrade | 2021/06/27 09:00 | Drazen Petrovic v Stefan Ivic | 6-3,3-6,8-10 |
| ITF M15 Skopje | 2021/05/31 12:30 | Stefan Ivic v Oscar Moraing | 5-7,1-6 |
| ITF M15 Brcko | 2021/05/16 14:00 | Obrad Markovski v Stefan Ivic | 6-4,6-2 |
| ITF M15 Prijedor | 2021/05/11 08:00 | Rimpei Kawakami v Stefan Ivic | 6-0,6-1 |
| ITF M15 Prijedor | 2021/05/10 09:15 | Milos Vukovic v Stefan Ivic | 6-7,4-6 |