Stadium: Court 3 Round: 62 Ground: Hardcourt outdoor
| ITF M25 Portimao | 2023/03/12 10:00 | Martim Couto v Tiago S Neves | 6-0,6-1 |
| ITF M25 Quinta Do Lago | 2023/03/05 18:15 | Martim Couto v Tomas C Abasolo | 0-6,2-6 |
| ITF M25 Portimao | 2023/03/12 10:00 | Tomas Tenil v Pijus Vaitiekunas | 1-6,0-6 |
| ITF M25 Quinta Do Lago | 2023/03/08 15:45 | Pijus Vaitiekunas v Mikel Martinez | 7-5,1-6,9-11 |
| ITF M25 Quinta Do Lago | 2023/03/08 12:00 | Stepan Pecak v Pijus Vaitiekunas | 5-7,4-6 |
| ITF M25 Quinta Do Lago | 2023/03/05 16:00 | Pijus Vaitiekunas v Russell Henderson | 6-2,6-4 |
| ITF M25 Loule | 2023/02/27 10:00 | Pijus Vaitiekunas v Timofey Stepanov | 4-6,2-6 |
| ITF M25 Loule | 2023/02/26 10:00 | Peter Sychev v Pijus Vaitiekunas | 4-6,1-6 |
| ITF M15 Sharm El Sheikh | 2023/02/20 08:00 | Pijus Vaitiekunas v Wishaya Trongcharoenchaikul | 1-6,4-6 |
| ITF M15 Sharm El Sheikh | 2023/02/19 08:00 | Dennis Dragomirov v Pijus Vaitiekunas | 4-6,2-6 |