| Sri Lanka Under-19s in Australia Youth ODI Series, 1983/84 | 1983/84 | AUS Under-19 | 2-1 (3) |
| Australia Under-19s in Sri Lanka Youth ODI Series, 1984/85 | 1984/85 | drawn | 1-1 (2) |
| Sri Lanka Young Cricketers in England Youth ODI Series, 1986 | 1986 | Sri Lanka YC | 2-0 (2) |
| England Young Cricketers in Sri Lanka Youth ODI Series, 1986/87 | 1986/87 | Sri Lanka YC | 2-1 (3) |
| McDonald's Bicentennial Youth World Cup (in Australia), 1987/88 | 1987/88 | Australia YC | - |
| Beximco Asia Youth Cup, 1989/90 | 1989/90 | IND Under-19 | - |
| England Under-19s in Sri Lanka Youth ODI Series, 1993/94 | 1993/94 | SL Under-19 | 2-0 (3) |
| India Under-19s in Sri Lanka Youth ODI Series, 1996/97 | 1996/97 | SL Under-19 | 2-1 (3) |
| ICC Under-19 World Cup (in South Africa), 1997/98 | 1997/98 | England U19 | - |
| Sri Lanka Under-19s in India Youth ODI Series, 1998/99 | 1998/99 | IND Under-19 | 4-0 (4) |
| ICC Under-19 World Cup (in Sri Lanka), 1999/00 | 1999/00 | IND Under-19 | - |
| Sri Lanka Under-19s in England Youth ODI Series, 2000 | 2000 | England U19 | 3-0 (3) |
| Sri Lanka Under-19s in Australia Youth ODI Series, 2000/01 | 2000/01 | drawn | 1-1 (3) |
| Sri Lanka Under-19s in Pakistan Youth ODI Series, 2001/02 | 2001/02 | PAK Under-19 | 4-1 (5) |
| ICC Under-19 World Cup (in New Zealand), 2001/02 | 2001/02 | AUS Under-19 | - |
| Pakistan Under-19s in Sri Lanka Youth ODI Series, 2003 | 2003 | PAK Under-19 | 4-1 (5) |
| Asia Under-19 Tournament (Bangladesh Under-19s, India Under-19s, Pakistan Under-19s, Sri Lanka Under-19s in Pakistan), 2003/04 | 2003/04 | IND Under-19 | - |
| West Indies Under-19s in Sri Lanka Youth ODI Series, 2003/04 | 2003/04 | drawn | 2-2 (4) |
| ICC Under-19 World Cup (in Bangladesh), 2003/04 | 2003/04 | PAK Under-19 | - |
| Sri Lanka Under-19s in Pakistan Youth ODI Series, 2004/05 | 2004/05 | SL Under-19 | 2-1 (3) |
| Sri Lanka Under-19s in England Youth ODI Series, 2005 | 2005 | England U19 | 2-0 (3) |
| Afro-Asia Cup Under-19s (Bangladesh Under-19s, India Under-19s, Pakistan Under-19s, South Africa Under-19s, Sri Lanka Under-19s, Zimbabwe Under-19s in India), 2005/06 | 2005/06 | IND Under-19 | - |
| Bangladesh Under-19s Tri-Nation Tournament (Bangladesh Under-19s, England Under-19s, Sri Lanka Under-19s), 2005/06 | 2005/06 | BAN Under-19 | - |
| ICC Under-19 World Cup (in Sri Lanka), 2005/06 | 2005/06 | PAK Under-19 | - |
| HSBC Invitational 1st Tri-Series, 2006/07 | 2006/07 | SL Under-19 | - |
| India Under-19s v Sri Lanka Under-19s Youth ODI Series (in Malaysia), 2006/07 | 2006/07 | IND Under-19 | 2-0 (2) |
| Tri-Nation Under-19s Tournament in Sri Lanka, 2007 | 2007 | IND Under-19 | - |
| Sri Lanka Under-19s in Bangladesh Youth ODI Series, 2007/08 | 2007/08 | BAN Under-19 | 3-2 (5) |
| Tri-Nation Under-19s Tournament in Sri Lanka, 2007/08 | 2007/08 | PAK Under-19 | - |
| ICC Under-19 World Cup (in Malaysia), 2007/08 | 2007/08 | IND Under-19 | - |
| Sri Lanka Under-19s in Bangladesh Youth ODI Series, 2009 | 2009 | BAN Under-19 | 4-1 (5) |
| Sri Lanka Under-19s in Australia Youth ODI Series, 2009/10 | 2009/10 | SL Under-19 | 3-2 (5) |
| Tri-Nation Under-19s Tournament in Sri Lanka, 2009/10 | 2009/10 | SL Under-19 | - |
| Tri-Nation Under-19s Tournament in South Africa, 2009/10 | 2009/10 | IND Under-19 | - |
| ICC Under-19 World Cup (in New Zealand), 2009/10 | 2009/10 | AUS Under-19 | - |
| Sri Lanka Under-19s in England Youth ODI Series, 2010 | 2010 | drawn | 2-2 (5) |
| England Under-19s in Sri Lanka Youth ODI Series, 2010/11 | 2010/11 | SL Under-19 | 3-1 (5) |
| Quadrangular Under-19 Series (India) (Australia Under-19s, India Under-19s, Sri Lanka Under-19s, West Indies Under-19s in India), 2011/12 | 2011/12 | IND Under-19 | - |
| Asian Cricket Council Under-19s Asia Cup (in Malaysia), 2012 | 2012 | shared | - |
| ICC Under-19 World Cup (in Australia), 2012 | 2012 | IND Under-19 | - |
| Sri Lanka Under-19s in Bangladesh Youth ODI Series, 2013 | 2013 | SL Under-19 | 3-2 (5) |
| India Under-19s in Sri Lanka Youth ODI Series, 2013 | 2013 | IND Under-19 | 2-0 (3) |
| Asian Cricket Council Under-19s Asia Cup (in United Arab Emirates), 2013/14 | 2013/14 | IND Under-19 | - |
| Australia Under-19s in Sri Lanka Youth ODI Series, 2013/14 | 2013/14 | SL Under-19 | 3-0 (3) |
| ICC Under-19 World Cup (in United Arab Emirates), 2013/14 | 2013/14 | S Africa U19 | - |
| Australia Under-19s in Sri Lanka Youth ODI Series, 2014/15 | 2014/15 | SL Under-19 | 3-1 (6) |
| Bangladesh Under-19s in Sri Lanka Youth ODI Series, 2014/15 | 2014/15 | BAN Under-19 | 3-2 (5) |
| Pakistan Under-19s in Sri Lanka Youth ODI Series, 2015/16 | 2015/16 | SL Under-19 | 3-0 (5) |
| Tri-Nation Under-19s Tournament in Sri Lanka, 2015/16 | 2015/16 | IND Under-19 | - |
| ICC Under-19 World Cup (in Bangladesh), 2015/16 | 2015/16 | W Indies U19 | - |
| South Africa Under-19s in Sri Lanka Youth ODI Series, 2016 | 2016 | SL Under-19 | 2-1 (3) |
| Sri Lanka Under-19s in England Youth ODI Series, 2016 | 2016 | SL Under-19 | 3-0 (3) |
| Asian Cricket Council Under-19s Asia Cup (in Sri Lanka), 2016/17 | 2016/17 | IND Under-19 | - |
| Tri-Nation Under-19s Tournament in South Africa, 2016/17 | 2016/17 | SL Under-19 | - |
| Sri Lanka Under-19s in South Africa Youth ODI Series, 2016/17 | 2016/17 | S Africa U19 | 2-1 (3) |
| Sri Lanka Under-19s in Australia Youth ODI Series, 2017 | 2017 | AUS Under-19 | 4-1 (5) |
| Asian Cricket Council Under-19s Asia Cup (in Malaysia), 2017/18 | 2017/18 | AFG Under-19 | - |
| ICC Under-19 World Cup (in New Zealand), 2017/18 | 2017/18 | IND Under-19 | - |
| India Under-19s in Sri Lanka Youth ODI Series, 2018 | 2018 | IND Under-19 | 3-2 (5) |
| Asian Cricket Council Under-19s Asia Cup (in Bangladesh), 2018/19 | 2018/19 | IND Under-19 | - |
| Bangladesh Under-19s in Sri Lanka Youth ODI Series, 2018/19 | 2018/19 | SL Under-19 | 2-1 (5) |
| Australia Under-19s in Sri Lanka Youth ODI Series, 2018/19 | 2018/19 | AUS Under-19 | 2-1 (3) |
| Pakistan Under-19s in Sri Lanka Youth ODI Series, 2019 | 2019 | PAK Under-19 | 3-2 (5) |
| Asian Cricket Council Under-19s Asia Cup (in Sri Lanka), 2019 | 2019 | IND Under-19 | - |
| Sri Lanka Under-19s in Bangladesh Youth ODI Series, 2019/20 | 2019/20 | BAN Under-19 | 4-0 (5) |
| Tri-Nation Under-19s Tournament in West Indies, 2019/20 | 2019/20 | SL Under-19 | - |
| ICC Under-19 World Cup (in South Africa), 2019/20 | 2019/20 | BAN Under-19 | - |
| Bangladesh Under-19s in Sri Lanka Youth ODI Series, 2021/22 | 2021/22 | SL Under-19 | 5-0 (5) |
| England Under-19s in Sri Lanka Youth ODI Series, 2021/22 | 2021/22 | SL Under-19 | 3-2 (5) |
| Asian Cricket Council Under-19s Asia Cup (in United Arab Emirates), 2021/22 | 2021/22 | IND Under-19 | - |
| ICC Under-19 World Cup (in West Indies), 2021/22 | 2021/22 | IND Under-19 | - |
| Sri Lanka Under-19s in England Youth ODI Series, 2022 | 2022 | England U19 | 3-0 (3) |
| Tri-Nation Under-19s Tournament in United Arab Emirates, 2022/23 | 2022/23 | BAN Under-19 | - |
| Afghanistan Under-19s v Sri Lanka Under-19s Youth ODI Series (in United Arab Emirates), 2022/23 | 2022/23 | AFG Under-19 | 2-0 (2) |
| West Indies Under-19s in Sri Lanka Youth ODI Series, 2023 | 2023 | SL Under-19 | 2-1 (3) |
| Sri Lanka Under-19s in Pakistan Youth ODI Series, 2023/24 | 2023/24 | SL Under-19 | 2-1 (5) |
| Asian Cricket Council Under-19s Asia Cup (in United Arab Emirates), 2023/24 | 2023/24 | BAN Under-19 | - |
| ICC Under-19 World Cup (in South Africa), 2023/24 | 2023/24 | AUS Under-19 | - |
| Sri Lanka Under-19s in England Youth ODI Series, 2024 | 2024 | England U19 | 2-1 (3) |
| Asian Cricket Council Under-19s Asia Cup (in United Arab Emirates), 2024/25 | 2024/25 | BAN Under-19 | - |
| Bangladesh Under-19s in Sri Lanka Youth ODI Series, 2025 | 2025 | BAN Under-19 | 3-2 (6) |