Stadium: Umag - ATP STADIUM GORAN IVANISEVIC - Stadium Goran Ivanisev Ground: Clay
Referee:
| ITF M15 Bol | 2024/10/13 09:30 | Karlo Kajin v Nik Mikovic | 2-6,5-7 |
| ITF M15 Umag | 2024/07/07 13:00 | Glib Sekachov v Karlo Kajin | 6-3,6-3 |
| UTR Pro Beograd | 2023/10/15 06:00 | Aleksandar Mihailovic v Karlo Kajin | 1-6,1-6 |
| UTR Pro Beograd | 2023/10/14 07:30 | Karlo Kajin v Christos Keisidis | 4-6,6-3,5-1 |
| UTR Pro Beograd | 2023/10/13 06:00 | Egor Gorin v Karlo Kajin | 0-6,2-6 |
| UTR Pro Beograd | 2023/10/11 06:00 | Janos Fekete v Karlo Kajin | 6-4,6-4 |
| UTR Pro Beograd | 2023/10/10 09:00 | Yanais Laurent v Karlo Kajin | 6-2,6-3 |
| UTR Pro Beograd | 2023/10/09 07:30 | Nikola Mitrovic v Karlo Kajin | 4-6,3-6 |
| UTR Pro California | 2023/11/05 19:04 | Wojciech Marek v Alessandro-D Ventre | 7-6,6-2 |
| ITF M25 Lodz | 2023/08/08 11:50 | Peetu Pohjola v Wojciech Marek | 1-6,6-1,10-8 |
| ITF M25 Lodz | 2023/08/07 10:30 | Mikhail Malakhovich v Wojciech Marek | 2-6,2-6 |
| ITF M15 Parnu | 2022/08/04 07:15 | Wojciech Marek v Fermin Tenti | 3-6,3-6 |
| ITF M15 Parnu | 2022/08/03 09:55 | Wojciech Marek v Manfred Fellin | 6-3,6-4 |
| ITF M25 Poprad | 2022/06/28 07:30 | Wojciech Marek v Samuel Puskar | 3-6,4-6 |
| ITF M15 Bytom | 2022/06/08 12:10 | David Poljak v Wojciech Marek | 7-6,6-3 |
| Challenger Alicante | 2021/10/10 11:00 | Diego A B Sanchez v Wojciech Marek | 6-4,6-3 |