| torsdag december 19 - 19:02 |  NK Rijeka #18 U21 | 10-0 | 3 | Seriespel - U21 [2] | SB | | |
| tisdag december 17 - 20:04 | NK Maksimir U21 | 3-2 | 0 | Seriespel - U21 [2] | SB | | |
| lördag december 14 - 19:04 | HŠK ZRINJSKI Mostar U21 | 4-2 | 3 | Seriespel - U21 [2] | RCB | | |
| fredag december 13 - 19:05 | NK Jamnica U21 | 6-3 | 3 | Seriespel - U21 [2] | SB | | |
| torsdag december 12 - 15:05 | HNK Square Dubrovnik U21 | 2-4 | 0 | U21 Ungdomscup | RCB | | |
| tisdag december 10 - 19:02 | NK Karlovac 1919 U21 | 4-3 | 3 | Seriespel - U21 [2] | SB | | |
| lördag december 7 - 18:03 | ŠNK Slavonac U21 | 5-1 | 0 | Seriespel - U21 [2] | RCB | | |
| fredag december 6 - 12:03 | Cibalia U21 | 0-4 | 3 | U21 Ungdomscup | RCB | | |
| torsdag december 5 - 22:05 | Internacionālā Daugava FC U21 | 2-5 | 3 | Seriespel - U21 [2] | RCB | | |
| onsdag december 4 - 19:02 | NK Vinkovci U21 | 0-1 | 0 | Seriespel - U21 [2] | SB | | |
| måndag december 2 - 19:01 | Cibalia U21 | 4-0 | 3 | Seriespel - U21 [2] | SB | | |
| söndag december 1 - 19:02 | NK Istra 2014 U21 | 5-0 | 3 | Seriespel - U21 [2] | RCB | | |
