Stadium: Court 4 Round: 62 Ground: Hardcourt outdoor
| ITF M25 Monastir | 2023/11/13 10:00 | Miguel Garcia v Niklas Waldner | 6-3,7-5 |
| ITF M25 Monastir | 2023/11/12 08:00 | Laelson Rodrigues v Niklas Waldner | 4-6,1-6 |
| ITF M15 Selva Gardena | 2023/10/29 12:55 | Gabriel Moroder v Niklas Waldner | 6-3,6-4 |
| ITF M15 Monastir | 2023/10/18 08:00 | Niklas Waldner v Aleksandr Lobanov | 4-6,6-7 |
| ITF M15 Monastir | 2023/10/16 15:15 | Niklas Waldner v Stefano Liokossis | 7-6,6-3 |
| ITF M15 Monastir | 2023/10/16 08:00 | Niklas Waldner v Loan Lestir | 1-6,6-3,10-8 |
| ITF M15 Monastir | 2023/10/15 08:00 | Niklas Waldner v Hugo Cardinaud | 6-2,6-4 |
| ITF M15 Monastir | 2023/10/08 08:00 | Clement Deleersnyder v Niklas Waldner | 6-3,6-1 |
| ITF M25 Monastir | 2023/11/12 08:00 | Alexandar Balj v Luca Matteo Sobbe | 1-6,2-6 |
| ITF M25 Monastir | 2023/11/05 09:00 | Ahmed Mouhan v Alexandar Balj | 5-7,7-5,10-3 |
| ITF M25 Zlatibor | 2023/09/27 07:00 | Jaka Protic Zakelj v Alexandar Balj | 6-4,4-6,10-7 |
| ITF M15 Kuršumlijska Banja | 2023/09/18 09:30 | Alexandar Balj v Andrea Fiorentini | 2-6,5-7 |
| ITF M15 Kuršumlijska Banja | 2023/09/11 07:00 | Romeo Hadzimehmedovic v Alexandar Balj | 6-2,6-4 |
| ITF M15 Kuršumlijska Banja | 2023/09/10 09:30 | Alexandar Balj v Stefan Cizelj-Zivkovic | 6-2,6-2 |
| ITF M15 Kuršumlijska Banja | 2023/08/27 09:30 | Alen Mujakic v Alexandar Balj | 6-2,6-4 |
| ITF M25 Osijek | 2023/08/07 13:55 | Alexandar Balj v Romeo Hadzimehmedovic | 2-6,5-7 |