Largest margins by Innings, runs & wickets for Under-19s World Cup - Ireland Under-19s
By runs
Winner | Margin | Balls Rem | Target | Overs | Max | Opposition | Ground | Match Date | Scorecard |
| 155 runs | 0 | 266 | 34.3 | 50.0 | v Canada U19 | Chattogram | 25 Feb 2004 | Youth ODI # 418 | |
| 123 runs | 0 | 330 | 45.2 | 50.0 | v Uganda U19 | Chattogram | 23 Feb 2004 | Youth ODI # 411 | |
| 102 runs | 0 | 289 | 39.1 | 50.0 | v Namibia U19s | Lincoln | 27 Jan 2018 | Youth ODI # 1194 | |
| 95 runs | 0 | 236 | 44.0 | 50.0 | v Scot U19 | Cox's Bazar | 10 Feb 2016 | Youth ODI # 1085 | |
| 94 runs | 0 | 180 | 29.2 | 50.0 | v Canada U19 | Tarouba | 25 Jan 2022 | Youth ODI # 1407 | |
| 85 runs | 0 | 184 | 36.3 | 50.0 | v Americas U19 | Radella | 21 Jan 2000 | Youth ODI # 262 | |
| 70 runs | 0 | 213 | 38.2 | 50.0 | v PNG U19 | Khulna | 19 Feb 2004 | Youth ODI # 398 | |
| 69 runs | 0 | 237 | 48.1 | 50.0 | v Bermuda U19 | Johor | 29 Feb 2008 | Youth ODI # 631 | |
| 41 runs | 0 | 173 | 32.1 | 32.1 | v NZ U19 | Bloemfontein | 3 Feb 2024 | Youth ODI # 1525 | |
| 39 runs | 0 | 237 | 48.1 | 50.0 | v Uganda U19 | Georgetown | 15 Jan 2022 | Youth ODI # 1386 | |
| 19 runs | 0 | 150 | 38.3 | 40.0 | v Neth U19 | Radella | 19 Jan 2000 | Youth ODI # 256 | |
| 14 runs | 0 | 186 | 49.3 | 50.0 | v NEP Under-19 | Townsville | 15 Aug 2012 | Youth ODI # 838 | |
| 4 runs | 0 | 226 | 49.2 | 50.0 | v AFG Under-19 | Whangarei | 20 Jan 2018 | Youth ODI # 1178 |
By wickets
Winner | Margin | Balls Rem | Target | Overs | Max | Opposition | Ground | Match Date | Scorecard |
| 8 wickets | 108 | 167 | 32.0 | 50.0 | v Zim U19 | Port of Spain | 29 Jan 2022 | Youth ODI # 1416 | |
| 7 wickets | 40 | 110 | 20.2 | 27.0 | v Zim U19 | Napier | 23 Jan 2010 | Youth ODI # 720 | |
| 7 wickets | 163 | 106 | 22.5 | 50.0 | v USA U19 | Bloemfontein | 19 Jan 2024 | Youth ODI # 1489 | |
| 6 wickets | 121 | 119 | 29.5 | 50.0 | v PNG U19 | Johannesburg | 19 Jan 1998 | Youth ODI # 191 | |
| 6 wickets | 124 | 116 | 29.2 | 50.0 | v Namibia U19s | Colombo (NCC) | 15 Feb 2006 | Youth ODI # 516 | |
| 6 wickets | 85 | 166 | 35.5 | 50.0 | v Uganda U19 | Colombo (NCC) | 18 Feb 2006 | Youth ODI # 522 | |
| 6 wickets | 22 | 100 | 23.2 | 27.0 | v Zim U19 | Johor | 1 Mar 2008 | Youth ODI # 634 | |
| 6 wickets | 93 | 140 | 34.3 | 50.0 | v Canada U19 | Cox's Bazar | 7 Feb 2016 | Youth ODI # 1076 | |
| 5 wickets | 37 | 218 | 43.5 | 50.0 | v USA U19 | Queenstown | 19 Jan 2010 | Youth ODI # 710 | |
| 4 wickets | 153 | 129 | 24.3 | 50.0 | v Namibia U19s | Brisbane | 20 Aug 2012 | Youth ODI # 850 | |
| 3 wickets | 49 | 122 | 41.5 | 50.0 | v PNG U19 | Rangiora | 25 Jan 2018 | Youth ODI # 1188 |
By balls remaining in the second innings
Winner | Margin | Balls Rem | Target | Overs | Max | Opposition | Ground | Match Date | Scorecard |
| 7 wickets | 163 | 106 | 22.5 | 50.0 | v USA U19 | Bloemfontein | 19 Jan 2024 | Youth ODI # 1489 | |
| 4 wickets | 153 | 129 | 24.3 | 50.0 | v Namibia U19s | Brisbane | 20 Aug 2012 | Youth ODI # 850 | |
| 6 wickets | 124 | 116 | 29.2 | 50.0 | v Namibia U19s | Colombo (NCC) | 15 Feb 2006 | Youth ODI # 516 | |
| 6 wickets | 121 | 119 | 29.5 | 50.0 | v PNG U19 | Johannesburg | 19 Jan 1998 | Youth ODI # 191 | |
| 8 wickets | 108 | 167 | 32.0 | 50.0 | v Zim U19 | Port of Spain | 29 Jan 2022 | Youth ODI # 1416 | |
| 6 wickets | 93 | 140 | 34.3 | 50.0 | v Canada U19 | Cox's Bazar | 7 Feb 2016 | Youth ODI # 1076 | |
| 6 wickets | 85 | 166 | 35.5 | 50.0 | v Uganda U19 | Colombo (NCC) | 18 Feb 2006 | Youth ODI # 522 | |
| 3 wickets | 49 | 122 | 41.5 | 50.0 | v PNG U19 | Rangiora | 25 Jan 2018 | Youth ODI # 1188 | |
| 7 wickets | 40 | 110 | 20.2 | 27.0 | v Zim U19 | Napier | 23 Jan 2010 | Youth ODI # 720 | |
| 5 wickets | 37 | 218 | 43.5 | 50.0 | v USA U19 | Queenstown | 19 Jan 2010 | Youth ODI # 710 | |
| 6 wickets | 22 | 100 | 23.2 | 27.0 | v Zim U19 | Johor | 1 Mar 2008 | Youth ODI # 634 |
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