Stadium: Kvarner 1 Round: 62 Ground: Clay
| ITF M25 Opatija | 2023/03/19 10:30 | Ivan Kremenchutskyi v Jeremy Gschwendtner | 1-6,6-3,10-8 |
| ITF M15 Rovinj | 2023/03/12 09:00 | Sergi Perez Contri v Ivan Kremenchutskyi | 6-0,6-1 |
| ITF - M15 Porec | 2023/03/05 09:00 | Jan Kupcic v Ivan Kremenchutskyi | 6-0,6-0 |
| ITF M25 Al Zahra | 2023/01/25 09:00 | Ivan Kremenchutskyi v Niels Visker | 2-6,1-6 |
| ITF M25 Dauhá | 2023/01/15 16:30 | Jack Karlsson Winstrand v Ivan Kremenchutskyi | 6-4,6-4 |
| ITF M15 Dauhá | 2023/01/11 12:00 | Ivan Kremenchutskyi v Denis Klok | 2-6,1-6 |
| ITF M15 Dauhá | 2023/01/10 13:25 | Sandro Szic v Ivan Kremenchutskyi | 7-5,4-6,5-10 |
| ITF M15 Dauhá | 2023/01/09 13:25 | Abdullah Khan v Ivan Kremenchutskyi | 5-7,0-6 |
| 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 |
| ITF M15 Grenoble | 2023/02/05 08:30 | Romain Faucon v Niklas Waldner | 7-6,6-1 |