| 277 runs | Pakistan Under-19s v Denmark Under-19s | Christian Brothers College Old Boys Ground, Boksburg | uo173 |
| 259 runs | Australia Under-19s v Papua New Guinea Under-19s | Vaal Reefs Cricket Club Ground, Orkney | uo180 |
| 226 runs | Denmark Under-19s v Namibia Under-19s | New Wanderers No 3 Oval, Johannesburg | uo200 |
| 212 runs | New Zealand Under-19s v Namibia Under-19s | LC de Villiers Oval, Pretoria | uo185 |
| 200 runs | West Indies Under-19s v Denmark Under-19s | St Alban's College Ground, Pretoria | uo189 |
| 175 runs | India Under-19s v Kenya Under-19s | Azaadville Oval, Azaadville | uo183 |
| 161 runs | Bangladesh Under-19s v Papua New Guinea Under-19s | St John's College Ground, Johannesburg | uo194 |
| 156 runs | Scotland Under-19s v Namibia Under-19s | Avion Park Cricket Club, Kempton Park | uo192 |
| 147 runs | Zimbabwe Under-19s v Papua New Guinea Under-19s | Recreation Centre, Klerksdorp | uo177 |
| 139 runs | Pakistan Under-19s v Ireland Under-19s | Avion Park Cricket Club, Kempton Park | uo184 |
| 103 runs | Australia Under-19s v Zimbabwe Under-19s | Fanie du Toit Sports Complex, Potchefstroom | uo165 |