Stadium: Court 2 Round: 62 Ground: Clay
| ITF - M15 Kuršumlijska Banja | 2023/06/18 07:00 | Gabriel Matuszewski v Nikola Kolyachev | 6-4,6-4 |
| ITF - M15 Kuršumlijska Banja | 2023/06/11 12:30 | Gabriel Matuszewski v Marko Maksimovic | 1-6,1-6 |
| ITF - M25 Kursumlijska Banja | 2023/06/06 07:00 | Alexander Zgirovsky v Gabriel Matuszewski | 6-4,6-3 |
| ITF - M25 Kursumlijska Banja | 2023/06/05 06:55 | Marko Nikolic v Gabriel Matuszewski | 3-6,6-2,6-10 |
| ITF - M15 Kuršumlijska Banja | 2023/05/29 12:20 | Gabriel Matuszewski v Lorenzo Carboni | 1-6,4-6 |
| ITF - M15 Kuršumlijska 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 Kuršumlijska Banja | 2023/06/18 11:00 | Dimitrije Zubac v Joel Angel Lucero | 7-6,6-4 |
| ITF - M25 Kiseljak | 2023/05/28 09:30 | Elias Julian Werner v Dimitrije Zubac | 6-7,7-5,10-7 |
| ITF - M15 Prijedor | 2023/05/15 09:00 | Dimitrije Zubac v Drazen Petrovic | 4-6,6-3,5-10 |
| ITF - M15 Prijedor | 2023/05/14 08:00 | Dimitrije Zubac v Milos Milakovic | 7-5,6-4 |
| ITF - M15 Ošijek | 2023/05/01 12:15 | Dimitrije Zubac v Maximilian Figl | 2-6,1-6 |
| ITF - M25 Dubrovnik | 2023/04/03 08:45 | Dimitrije Zubac v Ivan Kremenchutskyi | 1-6,1-6 |
| ITF - M25 Dubrovnik | 2023/04/02 11:30 | Dimitrije Zubac v Danilo Raicevic | 5-7,6-2,10-5 |
| ITF - M25 Opatija | 2023/03/21 10:00 | Dimitrije Zubac v Marko Andrejic | 2-6,7-6,6-10 |