Stadion: Court 7 Round: 26 Ground: Clay
| ITF - M25 - Santa Margherita | 2023/09/25 12:00 | Fausto Tabacco v Mariano Tammaro | 3-6,7-5,2-6 |
| ITF - M25 - Pozzuoli | 2023/09/13 12:00 | Mariano Tammaro v Andrea Bacaloni | 4-6,6-3,3-6 |
| ITF - M25 - Pozzuoli | 2023/09/11 14:25 | Mariano Tammaro v Alberto Morolli | 6-1,6-0 |
| ITF - M25 - Pozzuoli | 2023/09/10 18:00 | Mariano Tammaro v Stefan Vedovelli | 7-5,6-3 |
| ITF - M15 - Budapest | 2023/09/09 08:00 | Ofek Shimanov v Mariano Tammaro | 1-6,6-4,7-6 |
| ITF - M15 - Budapest | 2023/09/08 08:00 | Zura Tkemaladze v Mariano Tammaro | 3-6,1-6 |
| ITF - M15 - Budapest | 2023/09/07 10:20 | Mariano Tammaro v Nikolay Nedelchev | 6-4,6-3 |
| ITF - M15 - Budapest | 2023/09/05 11:00 | Mariano Tammaro v Patrik Meszaros | 6-2,6-2 |
| ITF - M25 - Santa Margherita | 2023/09/25 12:00 | Sidane Pontjodikromo v Kirill Kivattsev | 6-4,0-6,3-6 |
| Challenger - Sibiu | 2023/09/18 08:30 | Henri Laaksonen v Kirill Kivattsev | 6-3,4-6,6-1 |
| Challenger - Sibiu | 2023/09/17 10:05 | Alexander Zgirovsky v Kirill Kivattsev | 3-6,5-7 |
| ITF - M15 - Satu Mare | 2023/09/13 11:25 | Kirill Kivattsev v Stefan Palosi | 5-7,2-6 |
| Challenger - Tulln | 2023/09/03 11:40 | David Pichler v Kirill Kivattsev | 7-6,4-6,6-3 |
| ITF - M25 - Maribor | 2023/09/02 08:00 | Kirill Kivattsev v Nicolas Zanellato | 2-6,7-5,6-7 |
| ITF - M25 - Maribor | 2023/09/01 09:55 | Kirill Kivattsev v Sandro Kopp | 7-6,6-7,6-4 |
| ITF - M25 - Maribor | 2023/08/31 11:05 | Kirill Kivattsev v Matvey Minin | 6-0,7-6 |