Stadium: Court 1 Round: 62 Ground: Hardcourt outdoor
| ITF - M25 Tavira | 2023/10/09 09:00 | Adan Freire Da Silva v Pijus Vaitiekunas | 6-2,2-6,7-10 |
| ITF - M25 Tavira | 2023/10/09 09:00 | Adan Freire Da Silva v Pijus Vaitiekunas | 6-2,2-6,7-10 |
| ITF - M25 Nevers | 2023/10/04 08:00 | Marlon Vankan v Adan Freire Da Silva | 6-4,6-4 |
| ITF - M25 Nevers | 2023/10/02 14:35 | Adan Freire Da Silva v Sacha Grandvincent | 6-1,6-4 |
| ITF - M25 Nevers | 2023/10/01 14:10 | Adan Freire Da Silva v Niels Villard | 6-4,2-6,10-7 |
| ITF - M25 Sintra | 2023/09/13 10:15 | Adan Freire Da Silva v Pedro Araujo | 6-3,1-6,3-6 |
| ITF - M25 Sintra | 2023/09/12 11:35 | Adan Freire Da Silva v Rafael Mazon-Hernandez | 6-3,6-2 |
| ITF - M25 Sintra | 2023/09/05 14:30 | Adan Freire Da Silva v Philip Hjorth | 6-2,6-7,7-10 |
| ITF - M25 Idanha-A-Nova | 2023/08/29 09:10 | Adan Freire Da Silva v David Perez Sanz | 3-6,7-6,2-6 |
| ITF - M25 Tavira | 2023/10/10 08:30 | Pijus Vaitiekunas v Philip Hjorth | 0-6,1-6 |
| ITF - M25 Tavira | 2023/10/09 09:00 | Adan Freire Da Silva v Pijus Vaitiekunas | 6-2,2-6,7-10 |
| ITF - M15 Buschhausen | 2023/09/11 13:15 | Ronetto Van Tilburg v Pijus Vaitiekunas | 6-1,6-1 |
| ITF - M15 Buschhausen | 2023/09/11 08:00 | Pijus Vaitiekunas v Arthur Bonnaud | 6-2,6-4 |
| ITF - M15 Koszalin | 2023/09/05 07:30 | Federico Marchetti v Pijus Vaitiekunas | 7-5,4-6,10-7 |
| ITF - M25 Poznan | 2023/08/23 11:25 | Aleksandr Braynin v Pijus Vaitiekunas | 6-3,7-6 |
| 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 |