Stadium: Court 1 Round: 27 Ground: Clay
| ITF - M15 Meerbusch | 2022/05/05 09:30 | Brugnerotto, Marco v Olaf Pieczkowski | 6-7,2-6 |
| ITF - M15 Meerbusch | 2022/05/03 16:00 | Tom Gentzsch v Olaf Pieczkowski | 1-6,6-3,5-7 |
| ITF - M15 Monastir | 2022/03/29 10:10 | Filip Peliwo v Olaf Pieczkowski | 6-1,6-2 |
| ITF - M15 Monastir | 2022/03/24 13:30 | Olaf Pieczkowski v Alexander Donski | 7-5,2-6,3-6 |
| ITF - M15 Sharm El Sheikh | 2022/03/02 08:00 | Olaf Pieczkowski v Uisung Park | 6-7,4-6 |
| ITF - M15 Sharm El Sheikh | 2022/02/21 10:30 | Olaf Pieczkowski v Coleman Wong | 2-6,2-6 |
| ITF - M15 Sharm El Sheikh | 2022/02/20 12:00 | Ondrej Horak v Olaf Pieczkowski | 1-6,5-7 |
| ITF - M15 Antalya | 2021/11/19 08:30 | Olaf Pieczkowski v Madaras, Dragos Nicolae | 1-6,2-6 |
| ITF - M15 Meerbusch | 2022/05/05 09:30 | Pedro Araujo v Jonathan Mridha | 2-6,3-6 |
| ITF - M15 Meerbusch | 2022/05/04 09:25 | Oscar Galimardanov v Jonathan Mridha | 3-6,5-7 |
| Challenger - Tallahassee | 2022/04/19 17:15 | Alexander Ritschard v Jonathan Mridha | 6-2,6-4 |
| Challenger - Tallahassee | 2022/04/18 15:00 | Jonathan Mridha v Young, Donald | 7-6,6-2 |
| Challenger - Tallahassee | 2022/04/17 14:00 | Nick Hardt v Jonathan Mridha | 1-6,3-6 |
| Challenger - Sarasota | 2022/04/10 18:55 | Jonathan Mridha v Gijs Brouwer | 2-6,4-6 |
| ITF - M25 Bakersfield | 2022/03/17 21:00 | Jonathan Mridha v Ethan Quinn | 4-6,6-4,1-6 |
| ITF - M25 Bakersfield | 2022/03/16 17:55 | Jonathan Mridha v Perez, Alfredo | 7-6,7-6 |