Stadium: Court 3 Round: 44 Ground: Clay
| ITF M25 Kursumlijska Banja | 2023/06/04 07:00 | Pavle Daljev v Marko Nikolic | 3-6,6-4,8-10 |
| ITF M15 Kursumlijska Banja | 2023/05/29 12:20 | Gabriel Matuszewski v Lorenzo Carboni | 1-6,4-6 |
| ITF M15 Kursumlijska Banja | 2023/05/28 11:00 | Gabriel Matuszewski v Benjamin Denis Alarcon | 6-3,6-7,10-3 |
| ITF M25 Opatija | 2023/03/19 10:30 | Jan Dimitrijevic v Gabriel Matuszewski | 6-3,6-3 |
| ITF M15 Rovinj | 2023/03/13 09:00 | Jan Kupcic v Gabriel Matuszewski | 6-2,4-6,10-8 |
| ITF M15 Rovinj | 2023/03/12 09:00 | Gabriel Matuszewski v Pietro Pampanin | 6-1,6-2 |
| ITF M15 Porec | 2023/03/05 11:30 | Gabriel Matuszewski v Paul Valsecchi | 2-6,2-6 |
| ITF M25 Nussloch | 2023/01/22 15:00 | Gabriel Matuszewski v Dominik Recek | 3-6,1-6 |
| ITF M25 Nussloch | 2023/01/22 08:30 | Gabriel Matuszewski v Stepan Pecak | 6-2,6-2 |