Stadium: Court 7 Round: 19 Ground: Clay
| ITF M15 Celje | 2023/06/28 12:00 | Alexander Donski v Pawel Juszczak | 5-7,4-6 |
| Challenger Prague | 2023/08/20 09:35 | Daniel Merida Aguilar v Pawel Juszczak | 4-6,2-6 |
| ITF M25 Bielsko Biala | 2023/08/16 11:50 | Juliusz Bienkiewicz v Pawel Juszczak | 6-4,6-4 |
| Challenger Liberec | 2023/07/30 08:00 | Pawel Juszczak v Matthew Dellavedova | 5-7,2-6 |
| ITF M15 Celje | 2023/07/02 08:55 | Enrico Dalla Valle v Pawel Juszczak | 6-0,6-1 |
| ITF M15 Celje | 2023/07/01 08:00 | Pawel Juszczak v Sebastian Sorger | 6-0,6-0 |
| ITF M15 Celje | 2023/06/30 10:25 | Vito Tonejc v Pawel Juszczak | 3-6,1-6 |
| ITF M15 Celje | 2023/06/29 07:30 | Benedikt Emesz v Pawel Juszczak | 1-6,4-6 |
| ITF M15 Celje | 2023/06/28 12:00 | Alexander Donski v Pawel Juszczak | 5-7,4-6 |
| Challenger Prague | 2023/08/20 08:00 | Alexander Donski v Luca Potenza | 6-2,6-3 |
| ITF M15 Metzingen | 2023/07/26 12:30 | Stefan Popovic v Alexander Donski | 2-6,6-3,7-5 |
| ITF M15 Celje | 2023/06/28 12:00 | Alexander Donski v Pawel Juszczak | 5-7,4-6 |
| ITF M15 Store | 2023/06/22 07:30 | Luca Wiedenmann v Alexander Donski | 6-2,6-3 |
| ITF M15 Litija | 2023/06/15 10:00 | Tomas Farjat v Alexander Donski | 7-5,6-2 |
| ITF M15 Litija | 2023/06/14 12:15 | Tomas Jirousek v Alexander Donski | 2-6,3-6 |
| ITF M15 Antalya | 2023/05/19 07:30 | Gabriele Pennaforti v Alexander Donski | 6-3,6-2 |
| ITF M15 Antalya | 2023/05/18 06:55 | Alexander Donski v Aleksandre Metreveli | 6-4,3-6,6-2 |