| 234 runs | India Under-19s v England Under-19s | R Premadasa Stadium, Colombo | uo515 |
| 185 runs | South Africa Under-19s v Scotland Under-19s | Nondescripts Cricket Club Ground, Colombo | uo513 |
| 175 runs | Australia Under-19s v South Africa Under-19s | Sinhalese Sports Club Ground, Colombo | uo482 |
| 171 runs | Bangladesh Under-19s v Uganda Under-19s | Sinhalese Sports Club Ground, Colombo | uo499 |
| 170 runs | New Zealand Under-19s v United States of America Under-19s | P Saravanamuttu Stadium, Colombo | uo517 |
| 163 runs | Pakistan Under-19s v Australia Under-19s | R Premadasa Stadium, Colombo | uo520 |
| 162 runs | South Africa Under-19s v United States of America Under-19s | P Saravanamuttu Stadium, Colombo | uo492 |
| 137 runs | Sri Lanka Under-19s v Namibia Under-19s | R Premadasa Stadium, Colombo | uo493 |
| 126 runs | India Under-19s v West Indies Under-19s | R Premadasa Stadium, Colombo | uo507 |
| 122 runs | New Zealand Under-19s v Uganda Under-19s | Nondescripts Cricket Club Ground, Colombo | uo491 |
| 118 runs | Zimbabwe Under-19s v Ireland Under-19s | Nondescripts Cricket Club Ground, Colombo | uo484 |