Stadium: Court 1 Round: 26 Ground: Clay
| ITF M15 Kursumlijska Banja | 2023/06/14 12:00 | Stefan Popovic v Joao Eduardo Schiessl | 2-6,6-7 |
| ITF M15 Kursumlijska Banja | 2023/06/13 11:35 | Nicolas Villalon v Joao Eduardo Schiessl | 2-6,6-7 |
| ITF M15 Kursumlijska Banja | 2023/06/12 14:40 | Joao Eduardo Schiessl v Elbert Barr | 6-4,6-1 |
| ITF M15 Kursumlijska Banja | 2023/06/11 09:30 | Volodymyr Uzhylovskyi v Joao Eduardo Schiessl | 2-6,5-7 |
| ITF M15 Sarajevo | 2023/06/06 11:50 | Joao Eduardo Schiessl v Petar Jovanovic | 2-6,3-6 |
| ITF M15 Sarajevo | 2023/06/05 07:00 | Corey Gaal v Joao Eduardo Schiessl | 6-1,4-6,4-10 |
| ITF M15 Sarajevo | 2023/06/04 08:00 | Luka Puljic v Joao Eduardo Schiessl | 2-6,4-6 |
| ITF M25 Kiseljak | 2023/05/31 10:30 | Juan Bautista Otegui v Joao Eduardo Schiessl | 7-5,3-6,7-6 |
| ITF M15 Kursumlijska Banja | 2023/06/14 07:25 | Vuk Radjenovic v Gorazd Srbljak | 3-6,6-1,4-6 |
| ITF M15 Kursumlijska Banja | 2023/06/13 07:00 | Gorazd Srbljak v Gabriel Schenekenberg | 6-3,6-2 |
| ITF M25 Skopje | 2023/06/08 10:25 | Gorazd Srbljak v Ergi Kirkin | 1-6,3-6 |
| ITF M25 Skopje | 2023/06/07 12:30 | Tomislav Jotovski v Gorazd Srbljak | 0-6,2-6 |
| ITF M15 Kursumlijska Banja | 2023/06/01 11:00 | Gorazd Srbljak v Leonardo Aboian | 7-6,4-6,1-6 |
| ITF M15 Kursumlijska Banja | 2023/05/31 10:20 | Alexandar Balj v Gorazd Srbljak | 5-7,4-6 |
| ITF M15 Kursumlijska Banja | 2023/05/30 10:50 | Novak Novakovic v Gorazd Srbljak | 6-4,6-3 |
| ITF M15 Kursumlijska Banja | 2023/05/29 10:05 | Semen Voronin v Gorazd Srbljak | 1-6,2-6 |