Stadium: Court 4 Round: 62 Ground: Clay
| ITF M15 Brcko | 2023/05/23 07:30 | Corey Gaal v Vladan Tadic | 6-2,1-6,8-10 |
| ITF M15 Prijedor | 2023/05/17 14:00 | Corey Gaal v Tim Ruehl | 3-6,2-6 |
| ITF M15 Prijedor | 2023/05/15 11:30 | Corey Gaal v Nicolo Toffanin | 7-5,6-4 |
| ITF M15 Doboj | 2023/05/08 10:30 | Corey Gaal v Vitali Shvets | 1-6,6-1,8-10 |
| ITF M15 Osijek | 2023/05/03 09:55 | Corey Gaal v Pavel Verbin | 6-7,6-7 |
| ITF M15 Osijek | 2023/05/02 08:00 | Corey Gaal v Maximilian Figl | 6-2,6-4 |
| ITF M15 Osijek | 2023/05/01 09:55 | Corey Gaal v Nikola Puntaric | 6-1,7-6 |
| ITF M15 Osijek | 2023/04/30 14:00 | Corey Gaal v Aldin Jasarevic | 6-0,6-0 |
| 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 |
| ITF M15 Antalya | 2023/03/22 13:05 | Jorge Martinez Martinez v Joao Eduardo Schiessl | 6-2,3-6,6-2 |
| ITF M15 Antalya | 2023/03/12 11:00 | Maik Steiner v Joao Eduardo Schiessl | 6-4,3-6,10-7 |