| 164 | SP Kremerskothen | Australia Under-19s v Papua New Guinea Under-19s | Vaal Reefs Cricket Club Ground, Orkney | uo180 |
| 164* | JAH Marshall | New Zealand Under-19s v Namibia Under-19s | LC de Villiers Oval, Pretoria | uo185 |
| 141* | CH Gayle | West Indies Under-19s v Bangladesh Under-19s | Gert Van Rensburg Stadium, Fochville | uo205 |
| 128* | GM Butchart | Scotland Under-19s v Namibia Under-19s | Avion Park Cricket Club, Kempton Park | uo192 |
| 126 | DJ Thornely | Australia Under-19s v Zimbabwe Under-19s | Fanie du Toit Sports Complex, Potchefstroom | uo165 |
| 126 | RS Sodhi | India Under-19s v Kenya Under-19s | Azaadville Oval, Azaadville | uo183 |
| 115 | MJ North | Australia Under-19s v Zimbabwe Under-19s | Fanie du Toit Sports Complex, Potchefstroom | uo165 |
| 112* | MA Vermeulen | Zimbabwe Under-19s v Papua New Guinea Under-19s | Recreation Centre, Klerksdorp | uo177 |
| 107 | SD Peters | England Under-19s v New Zealand Under-19s | New Wanderers Stadium, Johannesburg | uo213 |
| 106 | Bazid Khan | Pakistan Under-19s v Denmark Under-19s | Christian Brothers College Old Boys Ground, Boksburg | uo173 |
| 105 | JR Hopes | Australia Under-19s v West Indies Under-19s | Fanie du Toit Sports Complex, Potchefstroom | uo171 |
| 102 | JC Kent | South Africa Under-19s v Kenya Under-19s | Soweto Cricket Oval, Soweto | uo178 |