Stadium: Court 1 Round: 62 Ground: Hardcourt outdoor
| ITF M15 Monastir | 2023/06/11 08:30 | Marcel Politowicz v Ryan A Dos Santos | 6-2,6-3 |
| ITF M15 Addis Ababa - kval | 2023/05/22 09:05 | Marcel Politowicz v Chirag Duhan | 7-6,3-6,5-10 |
| ITF M15 Addis Ababa - kval | 2023/05/21 10:20 | Yash Chaurasia v Marcel Politowicz | 1-6,5-7 |
| ITF M15 Addis Ababa | 2023/05/14 06:00 | Marcel Politowicz v Raffael Schaer | 1-6,2-6 |
| ITF M15 Monastir | 2023/04/23 12:00 | Ye Cong Mo v Marcel Politowicz | 6-2,7-5 |
| ITF M15 Monastir | 2023/04/16 08:00 | Chen-Yu Lu v Marcel Politowicz | 6-3,6-4 |
| ITF M25 Palmanova | 2023/03/20 08:00 | Marcel Politowicz v Breno R Urvaneja | 6-4,6-4 |
| ITF M25 Palmanova | 2023/03/13 12:30 | Marcel Politowicz v Aaron Gil Garcia | 5-7,6-3,10-7 |