Stadium: Court 2 Round: 27 Ground: Hardcourt outdoor
| ITF M15 Monastir | 2022/03/24 13:30 | Olaf Pieczkowski v Alexander Donski | 7-5,2-6,3-6 |
| 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 |
| Challenger Cassis | 2022/09/04 09:30 | Lukas Rosol v Alexander Donski | 4-6,7-6,6-4 |
| Challenger Mallorca | 2022/08/29 09:50 | Lukas Lacko v Alexander Donski | 6-4,6-4 |
| ITF M25 Roehampton | 2022/08/25 08:55 | Giles Hussey v Alexander Donski | 7-5,6-3 |
| ITF M25 Roehampton | 2022/08/23 11:15 | Diego F Flores v Alexander Donski | 5-7,3-6 |
| Challenger Porto | 2022/07/04 11:00 | Aidan Mchugh v Alexander Donski | 6-2,7-6 |
| 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 M25 Poznan | 2022/08/26 10:30 | Olaf Pieczkowski v Georgii Kravchenko | 6-4,6-3 |
| ITF M25 Poznan | 2022/08/25 10:25 | Tomasz Berkieta v Olaf Pieczkowski | 3-6,2-6 |
| ITF M25 Poznan | 2022/08/24 10:00 | Olaf Pieczkowski v Michal Matuszewski | 6-1,6-1 |