Stadium: Kvarner 2 Round: 62 Ground: Clay
| ITF M25 Opatija | 2022/03/21 10:20 | Niklas Waldner v Andrej Nedic | 3-6,6-1,2-10 |
| ITF M25 Opatija | 2023/03/21 08:00 | Andrej Nedic v Riccardo Campagnola | 6-3,6-2 |
| ITF M25 Opatija | 2023/03/19 10:30 | Andrej Nedic v Adam Blecha | 6-3,6-2 |
| ITF M15 Rovinj | 2023/03/14 09:00 | Lucas Bouquet v Andrej Nedic | 6-4,6-3 |
| ITF M15 Rovinj | 2023/03/13 10:30 | Patrik Jurina v Andrej Nedic | 0-6,2-6 |
| ITF M15 Rovinj | 2023/03/12 09:00 | Francesco Liucci v Andrej Nedic | 1-6,4-6 |
| UTR Pro Zadar | 2023/03/05 07:00 | Andrej Nedic v Tim Heger | 3-6,6-3,6-2 |
| UTR Pro Zadar | 2023/03/04 07:00 | Andrej Nedic v Alessandro Ingarao | 6-1,6-0 |
| UTR Pro Zadar | 2023/03/03 08:00 | Andrej Nedic v Duje Markovina | 6-3,6-3 |
| ITF M25 Opatija | 2023/03/21 09:00 | Ivan Kremenchutskyi v Niklas Waldner | 6-4,3-6,8-10 |
| ITF M25 Opatija | 2023/03/19 10:30 | Sanisth Juneja v Niklas Waldner | 1-6,1-6 |
| ITF M15 Rovinj | 2023/03/12 12:00 | Dusan Obradovic v Niklas Waldner | 6-1,6-2 |
| ITF M15 Porec | 2023/03/06 12:50 | Niklas Waldner v Sasa Markovic | 6-7,6-7 |
| ITF M15 Porec | 2023/03/05 11:30 | Niklas Waldner v Riccardo Campagnola | 7-6,6-2 |
| ITF M15 Monastir | 2023/02/20 08:30 | Leonardo Rossi v Niklas Waldner | 6-4,6-4 |
| ITF M15 Monastir | 2023/02/19 09:00 | Zian Vanderstappen v Niklas Waldner | 2-6,2-6 |
| ITF M25 Monastir | 2023/02/12 10:30 | Niklas Waldner v Bingyu Yu | 2-6,2-6 |