[4] Ireland U20 38-41 Wales U20 [3] 2018-02-23 19:15
Stadium: Donnybrook Stadium Round: 1
Head to Head
| Six Nations U20 | 2017/03/11 18:30 | Wales U20 v Ireland U20 | L | 41-27 |
| World Rugby U20 Champs | 2016/06/07 16:30 | Wales U20 v Ireland U20 | W | 25-26 |
| Six Nations U20 | 2016/02/05 19:35 | Ireland U20 v Wales U20 | L | 24-35 |
| World Rugby U20 Champs | 2015/06/15 18:30 | Ireland U20 v Wales U20 | L | 12-22 |
| Six Nations U20 | 2015/03/13 19:45 | Wales U20 v Ireland U20 | L | 19-12 |
| World Rugby U20 Champs | 2014/06/06 05:35 | Wales U20 v Ireland U20 | W | 21-35 |
Home History
| Six Nations U20 | 2018/02/09 19:15 | Ireland U20 v Italy U20 | W | 38-34 |
| Six Nations U20 | 2018/02/02 20:00 | France U20 v Ireland U20 | L | 34-24 |
| World Rugby U20 Champs | 2017/06/18 09:00 | Ireland U20 v Georgia U20 | W | 24-18 |
| World Rugby U20 Champs | 2017/06/13 09:00 | Ireland U20 v Samoa U20 | W | 52-26 |
| World Rugby U20 Champs | 2017/06/08 11:30 | Ireland U20 v New Zealand U20 | L | 3-69 |
| World Rugby U20 Champs | 2017/06/04 09:00 | Ireland U20 v Scotland U20 | L | 28-32 |
| World Rugby U20 Champs | 2017/05/31 11:30 | Ireland U20 v Italy U20 | L | 21-22 |
| Six Nations U20 | 2017/03/17 18:00 | Ireland U20 v England U20 | L | 10-14 |
Away History
| Six Nations U20 | 2018/02/09 19:45 | England U20 v Wales U20 | L | 37-12 |
| Six Nations U20 | 2018/02/02 20:15 | Wales U20 v Scotland U20 | W | 36-3 |
| World Rugby U20 Champs | 2017/06/18 13:00 | Wales U20 v Italy U20 | W | 25-24 |
| World Rugby U20 Champs | 2017/06/13 14:00 | Scotland U20 v Wales U20 | L | 29-25 |
| World Rugby U20 Champs | 2017/06/08 09:00 | Wales U20 v Samoa U20 | W | 54-20 |
| World Rugby U20 Champs | 2017/06/04 16:30 | England U20 v Wales U20 | L | 34-22 |
| World Rugby U20 Champs | 2017/05/31 16:30 | Australia U20 v Wales U20 | L | 24-17 |
| Six Nations U20 | 2017/03/17 20:00 | France U20 v Wales U20 | L | 40-20 |