| 323 runs | Ireland Under-19s v Denmark Under-19s | The Meadow, Downpatrick | misc131538 |
| 153 runs | Jersey Under-19s v Guernsey Under-19s | Seapark Oval, Belfast | misc131539 |
| 123 runs | Ireland Under-19s v Jersey Under-19s | Upritchard Park, Bangor | misc131541 |
| 111 runs | Netherlands Under-19s v Guernsey Under-19s | Middle Road, Carrickfergus | misc131534 |
| 109 runs | Scotland Under-19s v Jersey Under-19s | Civil Service Cricket Club, Stormont, Belfast | misc131545 |