Stadium: Court 6 Round: 25 Ground: Clay
| ITF M15 Novi Sad | 2023/08/02 11:10 | Florent Bax v Sebastian Sorger | 6-1,6-3 |
| ITF M15 Novi Sad | 2023/07/25 12:30 | Sebastian Sorger v Franco Roncadelli | 6-4,1-6,0-6 |
| ITF M15 Sofia | 2023/07/04 07:00 | Sebastian Sorger v Leonardo Aboian | 6-2,4-6,3-6 |
| ITF - M15 Celje | 2023/07/01 08:00 | Pawel Juszczak v Sebastian Sorger | 6-0,6-0 |
| ITF - M15 Celje | 2023/06/30 08:00 | Buvaysar Gadamauri v Sebastian Sorger | 4-6,3-6 |
| ITF - M15 Celje | 2023/06/29 07:30 | Jan Kupcic v Sebastian Sorger | 5-7,6-7 |
| ITF M15 Store | 2023/06/21 14:15 | Sebastian Sorger v Andrea Guerrieri | 6-2,3-6,2-6 |
| ITF - M25 Kiseljak | 2023/05/31 13:30 | Sebastian Sorger v Duje Ajdukovic | 2-6,2-6 |
| ITF M15 Novi Sad | 2023/08/04 08:00 | Dusan Obradovic v Kekez, Duje | 6-2,6-3 |
| ITF M15 Novi Sad | 2023/08/03 11:45 | Kekez, Duje v Nicolas Bruna | 6-4,7-5 |
| ITF M15 Novi Sad | 2023/08/02 09:25 | Kekez, Duje v Thiago Cigarran | 6-4,6-4 |
| ITF M15 Novi Sad | 2023/07/27 08:00 | Mili Poljicak v Kekez, Duje | 4-6,6-1,6-4 |
| ITF M15 Novi Sad | 2023/07/26 11:50 | Kekez, Duje v Erik Arutiunian | 7-6,6-4 |
| ITF M15 Store | 2023/06/21 08:15 | Kekez, Duje v Pietro Pampanin | 3-6,2-6 |
| Sarajevo, Singles Main, M-ITF-BIH-05A | 2023/06/06 11:00 | Kekez, Duje v Matej Dodig | 2-6,4-6 |
| ITF M15 Krsko | 2023/05/18 12:30 | Kekez, Duje v Gergely Madarasz | 4-6,6-1,5-7 |