Stadium: Court 1 Round: 54 Ground: Clay
| ITF M15 Vienna | 2023/08/30 12:15 | Janos Fekete v Manuel Lazic | 6-3,6-2 |
| ITF M15 Kottingbrunn | 2023/08/14 08:00 | Manuel Lazic v Janos Fekete | 2-6,2-6 |
| ITF M15 Kottingbrunn | 2023/08/13 08:00 | Manuel Lazic v Filip Jeff Planinsek | 4-6,7-6,10-4 |
| ITF M25 Telfs | 2023/07/18 10:05 | Buvaysar Gadamauri v Manuel Lazic | 6-2,6-0 |
| ITF M15 Warmbad-Villach | 2023/05/21 08:00 | Filippo Speziali v Manuel Lazic | 6-3,6-1 |
| ITF M15 Warmbad-Villach | 2023/05/21 07:00 | Aldin Jasarevic v Manuel Lazic | 1-6,0-6 |
| Challenger Mauthausen | 2023/05/07 11:20 | Manuel Lazic v Marius Copil | 3-6,0-6 |
| ITF M15 Antalya | 2023/03/05 06:30 | Manuel Lazic v Mirko Lagasio | 3-6,5-7 |
| ITF M25 Maribor | 2023/09/06 11:20 | Mili Poljicak v Matic Dimic | 6-1,1-6,6-2 |
| ITF M25 Maribor | 2023/08/31 09:20 | Michael Vrbensky v Matic Dimic | 6-1,6-4 |
| ITF M15 Kottingbrunn | 2023/08/14 12:00 | Michael Gloeckler v Matic Dimic | 6-3,6-4 |
| ITF M15 Kottingbrunn | 2023/08/14 08:00 | Luka Vuglar v Matic Dimic | 1-6,1-6 |
| ITF M15 Kottingbrunn | 2023/08/13 10:30 | Sasa Markovic v Matic Dimic | 3-6,0-6 |
| ITF M25 Osijek | 2023/08/08 09:40 | Matic Dimic v Aleksei Khomich | 1-6,0-6 |
| ITF M25 Osijek | 2023/08/07 10:50 | Matic Dimic v Andrej Radojicic | 6-3,6-1 |
| ITF M25 Osijek | 2023/08/06 07:30 | Matic Dimic v Luka Miklavcic | 4-6,6-2,10-7 |