Stadium: Court 1 Round: 25 Ground: Clay
| ITF M15 Monastir | 2023/11/26 11:00 | Oskar Grzegorzewski v Adam Majchrzak | 6-2,5-7,10-8 |
| ITF M15 Monastir | 2023/11/19 09:30 | Adam Majchrzak v Umberto Maria Giovannini | 4-6,0-6 |
| ITF M15 Monastir | 2023/11/12 10:00 | Enzo Lima v Adam Majchrzak | 6-3,3-6,10-7 |
| ITF M15 Koszalin | 2023/09/04 09:00 | Adam Majchrzak v Przemyslaw Michocki | 5-7,3-6 |
| ITF M15 Koszalin | 2023/09/03 09:00 | Adam Majchrzak v Adrian Andrzejczuk | 6-4,1-6,10-6 |
| ITF M15 Szczawno | 2023/08/30 08:35 | Adam Majchrzak v Marcel Zielinski | 2-6,3-6 |
| ITF M25 Lodz | 2023/08/09 09:20 | Alex M Pujolras v Adam Majchrzak | 6-1,6-7,6-2 |
| ITF M15 Wroclaw | 2023/06/28 08:00 | Adam Majchrzak v Michal Mikula | 2-6,3-6 |
| UTR Pro Cardiff | 2023/12/09 10:30 | Ewan Moore v Karol Filar | 4-6,7-6,7-5 |
| UTR Pro Cardiff | 2023/12/08 11:00 | David Quayle v Karol Filar | 0-6,2-5 |
| UTR Pro Cardiff | 2023/12/07 08:00 | Freddy Murray v Karol Filar | 4-6,5-7 |
| UTR Pro Cardiff | 2023/12/05 09:30 | Sean Hodkin v Karol Filar | 6-7,6-2,6-0 |
| UTR Pro Cardiff | 2023/12/04 09:30 | Karol Filar v Edward Etty | 6-1,6-3 |
| UTR Pro Olomouc | 2023/11/11 08:30 | Oleg Prihodko v Karol Filar | 6-4,5-4 |
| UTR Pro Olomouc | 2023/11/10 11:55 | Karol Filar v Domagoj Biljesko | 6-4,6-2 |
| UTR Pro Olomouc | 2023/11/09 11:30 | Karol Filar v Robert Rumler | 6-7,6-2,6-0 |