Stadium: Court 7 Round: 25 Ground: Hardcourt outdoor
| ITF M15 Sozopol | 2022/10/07 07:00 | Alexander Donski v Olaf Pieczkowski | 6-1,6-7,6-0 |
| ITF M15 Monastir | 2022/03/24 13:30 | Olaf Pieczkowski v Alexander Donski | 7-5,2-6,3-6 |
| ITF M15 Sozopol | 2022/10/13 08:50 | Riccardo Balzerani v Olaf Pieczkowski | 7-6,6-1 |
| ITF M15 Sozopol | 2022/10/11 09:35 | Olaf Pieczkowski v Yann Wojcik | 6-3,6-4 |
| ITF M15 Sozopol | 2022/10/07 07:00 | Alexander Donski v Olaf Pieczkowski | 6-1,6-7,6-0 |
| ITF M15 Sozopol | 2022/10/06 09:10 | Iliyan Radulov v Olaf Pieczkowski | 2-6,2-6 |
| ITF M15 Sozopol | 2022/10/05 08:25 | Olaf Pieczkowski v Riccardo Balzerani | 7-5,6-3 |
| Davis Cup | 2022/09/17 12:15 | Olaf Pieczkowski v Lucky Candra Kurniawan | 6-4,6-2 |
| Davis Cup | 2022/09/16 14:30 | Olaf Pieczkowski v Fitriadi M Rifqi | 7-5,6-0 |
| ITF M25 Poznan | 2022/08/27 11:45 | Valerio Aboian v Olaf Pieczkowski | 6-2,6-3 |
| ITF M15 Sozopol | 2022/10/14 07:00 | Alexandar Lazarov v Alexander Donski | 6-7,6-3,6-4 |
| ITF M15 Sozopol | 2022/10/13 08:40 | Dragos Petre Popeanga v Alexander Donski | 4-6,3-6 |
| ITF M15 Sozopol | 2022/10/11 07:00 | Iliyan Radulov v Alexander Donski | 6-4,6-7,4-6 |
| ITF M15 Sozopol | 2022/10/08 07:00 | Alexander Donski v Sebastian Gima | 3-6,6-4,3-6 |
| ITF M15 Sozopol | 2022/10/07 07:00 | Alexander Donski v Olaf Pieczkowski | 6-1,6-7,6-0 |
| ITF M15 Sozopol | 2022/10/06 11:35 | Bogdan Bobrov v Alexander Donski | 3-6,6-7 |
| ITF M15 Sozopol | 2022/10/04 07:00 | Dan Alexandru Tomescu v Alexander Donski | 4-6,6-7 |
| ATP Sofia | 2022/09/25 10:25 | Alexander Donski v Andreas Seppi | 4-6,2-6 |