Stadium: SD Gimnazije Fran Galovic Round: 1
| U18 Friendly Games | 2018/08/02 17:00 | Croatia U18 v Austria U18 | D | 23-23 |
| U18 Friendly Games | 2018/07/21 09:00 | Croatia U18 v Slovenia U18 | W | 34-29 |
| U18 Friendly Games | 2018/07/20 17:30 | Croatia U18 v Slovenia U18 | W | 25-21 |
| U18 Friendly Games | 2018/03/29 15:15 | Croatia U18 v Poland U18 | W | 27-23 |
| U18 Friendly Games | 2018/08/05 15:00 | Portugal U18 v Sweden U18 | L | 24-31 |
| U18 Friendly Games | 2018/08/04 17:00 | Portugal U18 v Norway U18 | W | 27-26 |
| U18 Four Nations Cup | 2018/07/01 17:00 | Portugal U18 v Hungary U18 | W | 24-23 |
| U18 Four Nations Cup | 2018/06/30 13:30 | Romania U18 v Portugal U18 | L | 27-25 |
| U18 Four Nations Cup | 2018/06/29 17:00 | Portugal U18 v Italy U18 | W | 31-30 |
| U18 Friendly Games | 2018/03/29 19:30 | Portugal U18 v Romania U18 | W | 47-24 |