Stadium: Court 2 Round: 26 Ground: Hardcourt outdoor
| Challenger Pozoblanco MD | 2023/07/20 21:35 | Istomin/Karlovskiy v Marrero/Moreno De Alboran | 4-6,7-6,10-12 |
| Challenger Pozoblanco MD | 2023/07/19 18:25 | Agabigun/Ilkel v Istomin/Karlovskiy | 4-6,2-6 |
| ITF M25 Roda de Bara MD | 2023/07/11 12:50 | Istomin/Karlovskiy v Johns/Winegar | 4-6,6-7 |
| ITF M25 Poprad MD | 2023/06/23 11:35 | Barnat/Duda v Istomin/Karlovskiy | 5-7,4-6 |
| Challenger Rome MD | 2023/04/26 13:40 | Istomin/Karlovskiy v Durasovic/Romboli | 7-6,5-7,2-10 |
| Challenger Maia MD | 2022/11/30 14:15 | Istomin/Karlovskiy v Faria/Vale | 4-6,6-7 |
| Challenger Andria MD | 2022/11/23 15:55 | Istomin/Karlovskiy v Haase/Verbeek | 3-6,6-3,7-10 |
| Challenger Ortisei MD | 2022/10/29 11:50 | Bortolotti/Gornes v Istomin/Karlovskiy | 3-6,5-7 |