Stadium: Court 6 Center Round: 25 Ground: Hardcourt indoor
| ITF M15 - Heraklion | 2021/12/02 07:00 | Kai Wehnelt v Pijus Vaitiekunas | 6-1,6-2 |
| ITF M15 - Heraklion | 2021/12/01 08:25 | Pijus Vaitiekunas v Stephanos Schinas | 6-1,7-5 |
| ITF M15 - Heraklion | 2021/11/21 07:00 | Pijus Vaitiekunas v Sidane Pontjodikromo | 2-6,6-3,5-10 |
| ITF M15 - Sharm El Sheikh | 2021/10/26 09:00 | Pijus Vaitiekunas v Ali Habib | 4-6,6-4,9-11 |
| ITF M15 - Sharm El Sheikh | 2021/10/25 10:30 | Pijus Vaitiekunas v Seth Seely | 6-1,6-3 |
| ITF M15 - Sharm El Sheikh | 2021/10/24 13:30 | Roland Stuurman v Pijus Vaitiekunas | 2-6,2-6 |
| ITF M15 - Sharm El Sheikh | 2021/10/20 09:05 | Pijus Vaitiekunas v Haoyuan Huang | 5-7,4-6 |
| ITF M15 - Sharm El Sheikh | 2021/10/19 07:30 | Astur Martinez Irigoyen v Pijus Vaitiekunas | 2-6,0-6 |
| ITF M25 - Bath | 2022/01/11 14:30 | Patrik Niklas-Salminen v Jan Choinski | 2-6,3-6 |
| Challenger - Forli | 2022/01/02 13:00 | Patrik Niklas-Salminen v Mukund Sasikumar | 3-6,4-6 |
| ITF M15 - Doha | 2021/12/22 12:00 | Kareem Allaf v Patrik Niklas-Salminen | 5-7,6-3,6-4 |
| ITF M15 - Doha | 2021/12/16 12:00 | Dominik Palan v Patrik Niklas-Salminen | 7-5,2-6,6-4 |
| ITF M15 - Doha | 2021/12/15 12:00 | Mubarak Shannan Zayid v Patrik Niklas-Salminen | 1-6,2-6 |
| Challenger - Manama | 2021/11/21 09:55 | Vladyslav Orlov v Patrik Niklas-Salminen | 6-1,7-6 |
| Challenger - Helsinki | 2021/11/16 16:30 | Joao Sousa v Patrik Niklas-Salminen | 6-3,7-6 |
| Challenger - Bratislava | 2021/11/07 13:05 | Zsombor Piros v Patrik Niklas-Salminen | 7-6,6-7,7-6 |