Stadium: COURT VIKTOR TROICKI Round: 25 Ground: Clay
| ITF M15 Kursumlijska Banja | 2024/05/21 10:30 | Sean Hess v Fermin Tenti | 2-6,7-6,1-6 |
| ITF M15 Kursumlijska Banja | 2024/05/16 07:00 | Antoine Ghibaudo v Sean Hess | 6-2,7-5 |
| ITF M15 Kursumlijska Banja | 2024/05/14 09:45 | Strahinja Musicki v Sean Hess | 3-6,1-6 |
| ITF M15 Doboj | 2024/05/07 11:25 | Sean Hess v Dusan Obradovic | 4-6,3-6 |
| ITF M15 Kursumlijska Banja | 2024/05/01 09:45 | Sean Hess v Sander Jong | 3-6,4-6 |
| ITF M15 Dubrovnik | 2024/04/19 11:00 | Sean Hess v Mirza Basic | 3-6,4-6 |
| ITF M15 Dubrovnik | 2024/04/18 12:00 | Markus Molder v Sean Hess | 1-6,1-6 |
| ITF M15 Dubrovnik | 2024/04/17 10:45 | Stjepan Bogdan v Sean Hess | 2-6,0-6 |
| ITF M15 Kursumlijska Banja | 2024/05/14 09:00 | Stefan Kostic v Simon A Ivanov | 3-6,2-6 |
| ITF M15 Kursumlijska Banja | 2024/05/01 08:30 | Stefan Kostic v Alexander Frusina | 3-6,2-6 |
| ITF M15 Kursumlijska Banja | 2023/08/29 11:10 | Stefan Kostic v Romeo Hadzimehmedovic | 4-6,6-4,1-6 |
| ITF M15 Sarajevo | 2023/06/07 07:00 | Luka Mikrut v Stefan Kostic | 6-2,6-1 |
| ITF M25 Kiseljak | 2023/05/30 10:55 | Nicolas Zanellato v Stefan Kostic | 6-1,6-1 |
| ITF M15 Brcko | 2023/05/23 10:00 | Stefan Kostic v Alexandre Aubriot | 0-6,1-6 |
| ITF M15 Prijedor | 2023/05/19 07:00 | Tim Ruehl v Stefan Kostic | 6-1,6-1 |
| ITF M15 Doboj | 2023/05/10 08:00 | Kirill Mishkin v Stefan Kostic | 6-2,1-6,6-1 |