Stadium: Court 6 Round: 54 Ground: Clay
| ITF M15 Budapest | 2023/09/03 09:30 | Josip Simundza v Gregor Hausberger | 6-1,5-7,12-10 |
| ITF M15 Viin | 2023/08/28 08:00 | Gregor Hausberger v Vojtech Vlkovsky | 1-6,6-4,8-10 |
| ITF M15 Kottingbrunn | 2023/08/14 08:00 | Marcell Bartakovics v Gregor Hausberger | 6-2,6-1 |
| ITF M15 Kottingbrunn | 2023/08/13 08:00 | Gregor Hausberger v Tamas Foldi | 6-4,7-6 |
| ITF M25 Osijek | 2023/08/07 11:35 | Gregor Hausberger v Aleksei Khomich | 6-4,3-6,3-10 |
| ITF M25 Kramsach | 2023/07/25 13:00 | Syl Gaxherri v Gregor Hausberger | 6-3,6-2 |
| ITF M25 Dubrovnik | 2023/04/03 12:15 | Andrej Nedic v Gregor Hausberger | 6-2,6-4 |
| ITF M25 Dubrovnik | 2023/04/02 07:00 | Matija Samardzic v Gregor Hausberger | 6-3,3-6,8-10 |
| ITF M15 Monastir | 2023/09/24 08:30 | Alberto Morolli v Luca Hesselmann | 6-4,6-3 |
| ITF M15 Monastir | 2023/09/18 08:00 | Devin Badenhorst v Luca Hesselmann | 6-2,6-2 |
| ITF M15 Monastir | 2023/09/17 09:00 | Yudai Umeoka v Luca Hesselmann | 1-6,4-6 |
| ITF M15 Buschhausen | 2023/09/10 11:00 | Luca Hesselmann v Pepijn Bastiaansen | 4-6,4-6 |
| ITF M15 Allershausen | 2023/08/30 15:10 | Johannes Haerteis v Luca Hesselmann | 2-6,6-1,6-4 |
| ITF M15 Allershausen | 2023/08/30 08:00 | Luca Hesselmann v Serafin Zund | 6-2,6-1 |
| ITF M15 Huy | 2023/08/21 17:45 | Roland Stuurman v Luca Hesselmann | 6-4,7-6 |
| ITF M15 Huy | 2023/08/21 13:05 | Noah Thurner v Luca Hesselmann | 6-7,4-6 |