| Extras |
| 41 | West Indies Under-19s v Ireland Under-19s | Khulna Divisional Stadium, Khulna | 2003/04 |
| 41 | England Under-19s v Ireland Under-19s | Haslegrave Ground, Loughborough | 2023 |
| 40 | Zimbabwe Under-19s v Ireland Under-19s | Harare Sports Club, Harare | 2024/25 |
| 33 | Zimbabwe Under-19s v Ireland Under-19s | Harare Sports Club, Harare | 2024/25 |
| 32 | Zimbabwe Under-19s v Ireland Under-19s | Absa Puk Oval, Potchefstroom | 2023/24 |
| 30 | Denmark Under-19s v Ireland Under-19s | Christian Brothers College Old Boys Ground, Boksburg | 1997/98 |
| 30 | Papua New Guinea Under-19s v Ireland Under-19s | Khulna Divisional Stadium, Khulna | 2003/04 |
| 29 | Uganda Under-19s v Ireland Under-19s | MA Aziz Stadium, Chittagong | 2003/04 |
| 29 | England Under-19s v Ireland Under-19s | Colombo Cricket Club Ground, Colombo | 2005/06 |
| 26 | England Under-19s v Ireland Under-19s | Haslegrave Ground, Loughborough | 2024 |
| 25 | Afghanistan Under-19s v Ireland Under-19s | Cobham Oval (New), Whangarei | 2017/18 |
| 25 | Zimbabwe Under-19s v Ireland Under-19s | Absa Puk Oval, Potchefstroom | 2023/24 |
| 25 | Bangladesh Under-19s v Ireland Under-19s | Mangaung Oval, Bloemfontein | 2023/24 |
| 24 | Scotland Under-19s v Ireland Under-19s | Sheikh Kamal International Cricket Stadium, Cox's Bazar | 2015/16 |
| 24 | Zimbabwe Under-19s v Ireland Under-19s | Queen's Park Oval, Port of Spain | 2021/22 |
| 24 | England Under-19s v Ireland Under-19s | Haslegrave Ground, Loughborough | 2023 |
| 23 | Pakistan Under-19s v Ireland Under-19s | Avion Park Cricket Club, Kempton Park | 1997/98 |
| 23 | Canada Under-19s v Ireland Under-19s | MA Aziz Stadium, Chittagong | 2003/04 |
| 23 | Zimbabwe Under-19s v Ireland Under-19s | Nondescripts Cricket Club Ground, Colombo | 2005/06 |
| 23 | South Africa Under-19s v Ireland Under-19s | Queenstown Events Centre, Queenstown | 2009/10 |
| 23 | Namibia Under-19s v Ireland Under-19s | WEP Harris Oval, Brisbane | 2012 |
| 23 | England Under-19s v Ireland Under-19s | Haslegrave Ground, Loughborough | 2024 |
| 23 | Zimbabwe Under-19s v Ireland Under-19s | Harare Sports Club, Harare | 2024/25 |
| 22 | Namibia Under-19s v Ireland Under-19s | Moors Sports Club Ground, Colombo | 1999/00 |
| 22 | Namibia Under-19s v Ireland Under-19s | Nondescripts Cricket Club Ground, Colombo | 2005/06 |
| 22 | Bermuda Under-19s v Ireland Under-19s | Royal Selangor Club, Kuala Lumpur | 2007/08 |
| 21 | Netherlands Under-19s v Ireland Under-19s | Radella Cricket Grounds, Radella | 1999/00 |
| 21 | Nepal Under-19s v Ireland Under-19s | Endeavour Park, Townsville | 2012 |
| 21 | Canada Under-19s v Ireland Under-19s | Sheikh Kamal International Cricket Stadium, Cox's Bazar | 2015/16 |
| 21 | Canada Under-19s v Ireland Under-19s | Brian Lara Stadium, Tarouba | 2021/22 |
| 21 | Zimbabwe Under-19s v Ireland Under-19s | Harare Sports Club, Harare | 2024/25 |
