| 19. Round | 25/02/2012 | NK Karlovac | - | Dinamo Zagreb | 0:3 | ||||
| 20. Round | 03/03/2012 | HNK Cibalia | - | NK Karlovac | 2:0 |  |
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| 21. Round | 10/03/2012 | NK Karlovac | - | Slaven Belupo | 0:0 | ||||
| 22. Round | 16/03/2012 | NK Inter Zaprešić | - | NK Karlovac | 4:0 | |
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| 18. Round | 21/03/2012 | RNK Split | - | NK Karlovac | 3:1 | ||||
| 27. Round | 20/04/2012 | Lokomotiva Zagreb | - | NK Karlovac | 2:1 | ||||
| 28. Round | 28/04/2012 | NK Karlovac | - | HNK Šibenik | 1:0 | |
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| 30. Round | 12/05/2012 | NK Karlovac | - | HNK Rijeka | 1:2 |  |
Croatia