Stadium: Court 6 Round: 62 Ground: Clay
| ITF M25 Zlatibor | 2023/09/24 10:30 | 체피크, 알렉산더 v Jaka Protic Zakelj | 4-6,4-6 |
| Maribor, Singles Main, M-ITF-SLO-06A | 2023/09/05 08:00 | Ramskogler, Gregor v Jaka Protic Zakelj | 7-6,6-4 |
| Maribor, Singles Main, M-ITF-SLO-06A | 2023/09/04 08:00 | Kovacic, Tino v Jaka Protic Zakelj | 4-6,2-6 |
| Maribor, Singles Main, M-ITF-SLO-06A | 2023/08/30 13:55 | Jaka Protic Zakelj v Topo, Marko | 5-7,6-4,5-7 |
| ITF M25 Osijek | 2023/08/08 10:05 | 발타코빅스, 마르셀 v Jaka Protic Zakelj | 7-6,2-6,13-11 |
| ITF M25 Osijek | 2023/08/07 12:15 | Nazar Oliynykov v Jaka Protic Zakelj | 1-6,5-7 |
| ITF M25 Osijek | 2023/08/07 07:30 | Jacques-Kai Inoue v Jaka Protic Zakelj | 6-7,0-6 |
| ITF M15 Novi Sad | 2023/07/31 11:00 | Jaka Protic Zakelj v 빌리치치, 보티스타 | 2-6,2-6 |
| ITF M15 Kursumlijska Banja | 2023/09/18 09:30 | 발즈, 알렉산더 v 피오렌티니, 안드레아 | 2-6,5-7 |
| ITF M15 Kursumlijska Banja | 2023/09/11 07:00 | Romeo Hadzimehmedovic v 발즈, 알렉산더 | 6-2,6-4 |
| ITF M15 Kursumlijska Banja | 2023/09/10 09:30 | 발즈, 알렉산더 v 시젤-지브코비치, 스테판 | 6-2,6-2 |
| ITF M15 Kursumlijska Banja | 2023/08/27 09:30 | Mujakic, Alen v 발즈, 알렉산더 | 6-2,6-4 |
| ITF M25 Osijek | 2023/08/07 13:55 | 발즈, 알렉산더 v Romeo Hadzimehmedovic | 2-6,5-7 |
| ITF M15 Kursumlijska Banja | 2023/06/19 07:30 | 발즈, 알렉산더 v Nicolas Villalon | 5-7,2-6 |
| ITF M25 Skopje | 2023/06/04 07:00 | 발즈, 알렉산더 v 케시디스, 크리스토스 | 4-6,2-6 |
| ITF M15 Kursumlijska Banja | 2023/05/31 10:20 | 발즈, 알렉산더 v 슬블리아크, 고라즈드 | 5-7,4-6 |