| ICC Under-19 World Cup (in South Africa), 1997/98 | 1997/98 | England U19 | - |
| ICC Under-19 World Cup (in Sri Lanka), 1999/00 | 1999/00 | IND Under-19 | - |
| ICC Under-19 World Cup (in Bangladesh), 2003/04 | 2003/04 | PAK Under-19 | - |
| ICC Under-19 World Cup (in Sri Lanka), 2005/06 | 2005/06 | PAK Under-19 | - |
| European Under-19 Championship, 2007 | 2007 | Ireland U19 | - |
| ICC Under-19 World Cup (in Malaysia), 2007/08 | 2007/08 | IND Under-19 | - |
| European Under-19 Championship, 2008 | 2008 | Scot U19 | - |
| European Under-19 Championship, 2009 | 2009 | Ireland U19 | - |
| ICC Under-19 World Cup Qualifier (in Canada), 2009 | 2009 | Ireland U19 | - |
| ICC Under-19 World Cup (in New Zealand), 2009/10 | 2009/10 | AUS Under-19 | - |
| European Under-19 Championship, 2010 | 2010 | Scot U19 | - |
| ICC Under-19 World Cup Qualifier (in Ireland), 2011 | 2011 | Scot U19 | - |
| ICC Under-19 World Cup (in Australia), 2012 | 2012 | IND Under-19 | - |
| European Under-19 Championship (in Netherlands), 2013 | 2013 | Scot U19 | - |
| ICC Under-19 World Cup Qualifier (in Malaysia), 2015/16 | 2015/16 | NEP Under-19 | - |
| ICC Under-19 World Cup (in Bangladesh), 2015/16 | 2015/16 | W Indies U19 | - |
| ICC Europe Under-19s World Cup Qualifier (in Jersey), 2017 | 2017 | - | - |
| ICC Under-19 World Cup (in New Zealand), 2017/18 | 2017/18 | IND Under-19 | - |
| ICC Under-19 World Cup Qualifier Europe Region (in Netherlands), 2019 | 2019 | Scot U19 | - |
| ICC Under-19 World Cup Qualifier Europe Region (in Spain), 2021 | 2021 | Ireland U19 | - |
| Ireland Under-19s v Zimbabwe Under-19s Youth ODI Series (in West Indies), 2021/22 | 2021/22 | Zim U19 | 3-1 (4) |
| ICC Under-19 World Cup (in West Indies), 2021/22 | 2021/22 | IND Under-19 | - |
| Ireland Under-19s in England Youth ODI Series, 2023 | 2023 | drawn | 1-1 (2) |
| Ireland Under-19s v Zimbabwe Under-19s Youth ODI Series (in South Africa), 2023/24 | 2023/24 | drawn | 1-1 (2) |
| ICC Under-19 World Cup (in South Africa), 2023/24 | 2023/24 | AUS Under-19 | - |
| Tri-Nation Under-19s Tournament in England, 2024 | 2024 | England U19 | - |
| Ireland Under-19s in Zimbabwe Youth ODI Series, 2025 | 2025 | Zim U19 | 4-1 (5) |