Stadium: Court 1 Round: 25 Ground: Hardcourt outdoor
| ITF M15 Budapešť | 2023/09/01 10:00 | Nikolay Nedelchev v Matyas Fuele | 4-6,3-6 |
| ITF M15 Budapešť | 2023/08/31 08:00 | Matthew Summers v Nikolay Nedelchev | 1-6,4-6 |
| ITF M15 Budapešť | 2023/08/29 12:00 | Attila Boros v Nikolay Nedelchev | 6-2,1-6,2-6 |
| ITF M15 Monastir | 2023/08/02 10:15 | Nikolay Nedelchev v Andrea Bacaloni | 4-6,1-6 |
| ITF M15 Monastir | 2023/07/26 11:50 | Michael Zhu v Nikolay Nedelchev | 7-6,0-6,6-3 |
| ITF M25 Roda de Bara | 2023/07/09 13:00 | Nikolay Nedelchev v Arthur Bonnaud | 6-1,2-6,6-10 |
| ITF M25 Bakio | 2023/06/27 11:15 | Nikolay Nedelchev v Robin Bertrand | 4-6,3-6 |
| ITF M25 Bakio | 2023/06/26 07:55 | Nikolay Nedelchev v Kane Bonsach Ganley | 6-2,6-2 |
| ITF M15 Budapešť | 2023/09/01 08:00 | Vito Tonejc v Hamish Stewart | 2-6,2-6 |
| ITF M15 Budapešť | 2023/08/31 10:20 | Vito Tonejc v Aleksandre Bakshi | 6-3,6-1 |
| ITF M15 Budapešť | 2023/08/30 10:25 | Vito Tonejc v Zalan Sandor Savay | 6-2,6-0 |
| ITF M25 Decatur | 2023/08/02 14:00 | Naoki Nakagawa v Vito Tonejc | 6-3,7-6 |
| ITF M25 Edwardsville | 2023/07/28 14:45 | Vito Tonejc v Shunsuke Mitsui | 5-7,2-6 |
| ITF M25 Edwardsville | 2023/07/28 00:00 | Yuki Mochizuki v Vito Tonejc | 7-6,4-6,2-6 |
| ITF M25 Edwardsville | 2023/07/26 23:15 | Vito Tonejc v Axel Nefve | 3-6,7-6,7-5 |
| ITF M25 Champaign | 2023/07/19 16:50 | Noah Schachter v Vito Tonejc | 2-6,6-2,6-4 |