Stadium: Court 4 Round: 44 Ground: Clay
| UTR Pro Tennis Series Portoroz | 2021/08/28 08:30 | Dusan Trunic v Julien De Cuyper | 3-0 |
| UTR Pro Tennis Series Portoroz | 2021/08/27 13:30 | Egor Agafonov v Dusan Trunic | 6-1,7-5 |
| UTR Pro Tennis Series Portoroz | 2021/08/26 14:00 | Yanais Laurent v Dusan Trunic | 6-1,6-1 |
| ITF M15 Sarajevo | 2021/06/02 10:30 | Dusan Trunic v Simon Beaupain | 2-6,4-6 |
| ITF M15 Ulcinj | 2021/08/29 14:30 | Leonardo Catani v Ognjen Pavlovic | 6-2,6-2 |