Stadium: Court 3 Round: 25 Ground: Clay
| Challenger Grodzisk Mazowiecki | 2023/08/13 08:00 | Denis Yevseyev v Aleksandr Braynin | 4-6,6-3,6-4 |
| Challenger Cordenons | 2023/08/07 11:15 | Aleksandr Braynin v Fausto Tabacco | 6-2,5-7,3-6 |
| Challenger Porto | 2023/07/31 10:00 | Aleksandr Braynin v Jaime Faria | 4-6,5-7 |
| Challenger Porto | 2023/07/30 12:20 | Daniel Cox v Aleksandr Braynin | 4-6,4-6 |
| Challenger Amersfoort | 2023/07/17 09:00 | Joris De Loore v Aleksandr Braynin | 6-1,7-5 |
| Challenger Amersfoort | 2023/07/16 11:35 | Aleksandr Braynin v Jose Pereira | 6-3,6-4 |
| ITF M25 Esch/Alzette | 2023/07/11 10:00 | Aleksandr Braynin v Mili Poljicak | 1-6,7-6,5-7 |
| ITF M25 Hága | 2023/07/06 14:05 | Aleksandr Braynin v Ryan Nijboer | 4-6,6-7 |
| ITF M25 Poznan | 2023/08/22 11:05 | Facundo Bermejo v Pijus Vaitiekunas | 6-2,3-6,7-10 |
| ITF M25 Poznan | 2023/08/21 11:30 | Mateusz Cislo v Pijus Vaitiekunas | 4-6,1-6 |
| ITF M25 Bielsko Biala | 2023/08/16 13:30 | Pijus Vaitiekunas v Alex M Pujolras | 2-6,1-6 |
| ITF M25 Bielsko Biala | 2023/08/14 11:30 | Andrea Meduri v Pijus Vaitiekunas | 4-6,6-4,7-10 |
| ITF M25 Bielsko Biala | 2023/08/14 10:30 | Mateusz Kulakowski v Pijus Vaitiekunas | 4-6,6-2,7-10 |
| ITF M25 Lodz | 2023/08/08 07:30 | Pijus Vaitiekunas v Wojciech Marek | 6-7,3-6 |
| ITF M25 Lodz | 2023/08/07 10:30 | Pijus Vaitiekunas v Marcel Dzielo | 6-3,6-0 |
| ITF M15 Hyvinkaa | 2023/07/31 07:00 | Pijus Vaitiekunas v Maxence Rivet | 3-6,4-6 |