Home History
| Croatia 2.HNL Play-Offs | 2023/06/17 18:00 | Karlovac v NK Zadar | W | 2-1 |
| Croatia 2.NL | 2023/06/11 15:30 | NK Zadar v Karlovac | W | 1-2 |
| Croatia 3.NL | 2023/06/02 15:30 | Karlovac v NK Tekstilac Ravnice | W | 2-0 |
| Croatia 3.NL | 2023/04/22 17:00 | Karlovac v Sava Strmec | L | 0-1 |
| Croatia 3.NL | 2023/04/07 17:00 | Karlovac v NK Lukavec | W | 2-0 |
| Croatia 3.NL | 2023/04/01 14:30 | NK Naftas Hask v Karlovac | W | 0-3 |
| Croatia 3.NL | 2023/03/29 16:00 | Karlovac v NK Mladost Petrinja | W | 4-0 |
| Croatia 3.NL | 2023/02/19 14:00 | NK Tekstilac Ravnice v Karlovac | W | 0-2 |
Away History
| Europe Friendlies | 2023/08/04 08:00 | NK Kustosija v NK Dubrava Zagreb | L | 1-4 |
| Europe Friendlies | 2023/07/22 16:30 | Bjelovar v NK Kustosija | D | 2-2 |
| Croatia 1.HNL Play-Offs | 2023/06/17 15:30 | NK Zrinski Osjecko 1664 v NK Kustosija | L | 1-0 |
| Croatia 2.HNL Play-Offs | 2023/06/10 15:30 | NK Kustosija v NK Zrinski Osjecko 1664 | W | 2-1 |
| Croatia 1.NL | 2023/06/03 15:30 | NK Kustosija v NK Dubrava Zagreb | L | 0-1 |
| Croatia 1.NL | 2023/05/27 12:30 | NK Dugopolje v NK Kustosija | L | 2-0 |
| Croatia 1.NL | 2023/05/22 15:00 | NK Kustosija v NK Hrvatski Dragovoljac | W | 3-0 |
| Croatia 1.NL | 2023/05/13 15:30 | Bijelo Brdo v NK Kustosija | L | 1-0 |