Stadium: Court 3 Round: 54 Ground: Clay
| UTR Pro Tennis Series - Köpenhamn | 2022/04/26 12:00 | Nikolaj Katic v Yanais Laurent | 3-6,1-4 |
| UTR Pro Tennis Series - Köpenhamn | 2022/04/25 10:30 | Josef Southcombe v Nikolaj Katic | 6-1,5-4 |
| ITF M25 - Porec | 2022/03/09 10:45 | Nikolaj Katic v Alexandar Lazarov | 0-6,5-7 |
| ITF M15 - Sharm El Sheikh | 2022/02/28 10:30 | Nikolaj Katic v Nico Mostardi | 5-7,2-6 |
| UTR Pro Tennis Series - Hillerød | 2022/02/19 13:30 | Ammar Elamin v Nikolaj Katic | 7-6,5-0 |
| UTR Pro Tennis Series - Hillerød | 2022/02/18 11:00 | David Perez Sanz v Nikolaj Katic | 6-2,7-6 |
| UTR Pro Tennis Series - Hillerød | 2022/02/17 11:00 | Ricardo Villacorta-Alonso v Nikolaj Katic | 6-4,6-4 |
| UTR Pro Tennis Series - Hillerød | 2022/02/16 15:30 | Ivan Penev v Nikolaj Katic | 6-2,5-4 |