Stadium: Court 3 Round: 44 Ground: Clay
| ITF M15 Brcko | 2023/05/22 07:30 | Kirill Mishkin v Nikola Basic | 6-3,6-3 |
| ITF M15 Prijedor | 2023/05/19 10:45 | Nikola Basic v Stefan Popovic | 2-6,5-7 |
| ITF M15 Prijedor | 2023/05/18 16:20 | Drazen Petrovic v Nikola Basic | 7-5,0-6,7-10 |
| ITF M15 Prijedor | 2023/05/18 07:00 | Nikola Basic v Vitali Shvets | 6-2,6-1 |
| ITF M15 Prijedor | 2023/05/17 09:15 | Nikola Basic v Marko Ilic | 6-3,6-4 |
| ITF M15 Doboj | 2023/05/10 08:00 | Nikola Basic v Lautaro Agustin Falabella | 3-6,6-4,5-7 |
| ITF M15 Doboj | 2023/05/08 10:30 | Alen Bill v Nikola Basic | 2-6,4-6 |
| ITF M15 Osijek | 2023/05/03 10:05 | Lautaro Agustin Falabella v Nikola Basic | 6-1,7-6 |
| ITF M25 Kiseljak | 2023/05/29 07:00 | Joao Eduardo Schiessl v Gabriel Schenekenberg | 6-2,6-2 |
| ITF M25 Kiseljak | 2023/05/28 09:30 | Joao Eduardo Schiessl v Temurmalik Amirov | 6-2,6-0 |
| ITF M15 Mogi das Cruzes | 2023/04/26 13:00 | Gabriel Roveri Sidney v Joao Eduardo Schiessl | 6-1,6-2 |
| ITF M15 Mogi das Cruzes | 2023/04/24 13:00 | Glauco Pinheiro Da Cruz Junior v Joao Eduardo Schiessl | 2-6,0-6 |
| Challenger Florianopolis | 2023/04/16 19:10 | Orlando Luz v Joao Eduardo Schiessl | 6-0,6-1 |
| ITF M15 Sharm El Sheikh | 2023/04/02 14:00 | Gabriele Bosio v Joao Eduardo Schiessl | 6-4,6-0 |
| ITF M15 Antalya | 2023/03/28 07:30 | Elio Jose Ribeiro Lago v Joao Eduardo Schiessl | 7-5,6-0 |
| ITF M15 Antalya | 2023/03/27 07:00 | Joao Eduardo Schiessl v Yvo Panak | 1-6,6-4,13-11 |