Stadium: Court 3 Round: 27 Ground: Clay
| ITF - M15 Doboj | 2023/05/12 07:00 | Ergi Kirkin v Hayato Matsuoka | 6-1,6-1 |
| ITF - M15 Doboj | 2023/05/10 09:45 | Ergi Kirkin v Niccolo Ciavarella | 6-3,6-2 |
| Challenger - Rím | 2023/04/23 13:40 | Ergi Kirkin v Alexander Weis | 2-6,7-5,5-7 |
| Challenger Roseto | 2023/04/19 11:50 | Santiago Rodriguez Taverna v Ergi Kirkin | 6-4,6-0 |
| Challenger Roseto | 2023/04/18 14:20 | Stefano Napolitano v Ergi Kirkin | 3-6,6-2,1-6 |
| Challenger Roseto | 2023/04/16 12:45 | Filip Bergevi v Ergi Kirkin | 2-6,1-6 |
| Challenger - Barletta | 2023/04/03 08:00 | Stefano Travaglia v Ergi Kirkin | 6-4,6-4 |
| Challenger - Székesfehérvár | 2023/03/12 12:05 | Mirza Basic v Ergi Kirkin | 6-2,7-6 |
| ITF - M15 Doboj | 2023/05/12 08:35 | Lautaro Agustin Falabella v Stefan Popovic | 6-3,0-6,0-6 |
| ITF - M15 Doboj | 2023/05/10 15:20 | Radomir Tomic v Stefan Popovic | 3-6,2-6 |
| ITF - M15 Kuršumlijska Banja | 2023/05/04 09:05 | Stefan Popovic v Oleksandr Ovcharenko | 5-7,0-6 |
| ITF - M15 Kuršumlijska Banja | 2023/05/03 08:00 | Stefan Popovic v Simone Agostini | 3-6,6-3,6-0 |
| ITF - M15 Kuršumlijska Banja | 2023/04/26 11:10 | Stefan Popovic v Lucas Bouquet | 4-6,3-6 |
| UTR Pro Beograd | 2023/04/17 08:08 | Nazim Makhlouf v Stefan Popovic | 3-6,1-6 |
| UTR Pro Beograd | 2023/04/16 08:00 | Viktor Jovic v Stefan Popovic | 3-6,2-6 |
| UTR Pro Beograd | 2023/04/15 09:52 | Milan Drinic v Stefan Popovic | 1-6,1-6 |