PORT ELIZABETH, Jan 21: South Africa defeated Zimbabwe by seven wickets in a second round match of the Under-19 Cricket World Cup Super League here today.South Africa overhauled Zimbabwe's modest total of 177 by scoring 181 for three with 11.4 overs to spare.Zimbabwe: L Malloch-Brown c Street b Creed 0, A Maregewde run out (Rudolph) 14, G Barrett b Creed 0, M Vermeulen c Van Wyk b Mpitsang 0, N Ferreira b Samsodien 27, M Nkala run out (Rudolph) 8, D Ebrahim not out 60, D Muntendera st Van Wyk b Bodi 9, J Young b Mpitsang 8, I Engelbrecht run out (Myburgh) 17, G Delport run out (Creed) 1. Extras (b2, lb8, nb4, w19): 33. Total (all out in 50 overs): 177.Fall of wicket: 1-5, 2-7, 3-9, 4-14, 5-65, 6-75, 7-91, 8-117, 9-175.Bowling: mpitsang 10-0-45-2, Creed 10-1-35-2, Samsodian 7-0-16-1, Lumb 3-0-20-0, Bodi 10-1-18-1, Rudolph 10-0-33-0.South Africa: J Myburgh lbw Mutendera 26, M Lumb c Nkala b Muntendera 33, J Kent not out 84, M van Wyk b Delport 18, M Street not out 7.Extras (lb6, w7): 13. Total (for 3 wicket, 38.2 overs): 181.Fall of wickets: 1-42, 2-79, 3-126.Bowling: nkala 5-0-23-0, Engelbretcht 10-0-45-0, Muntendera 8.2-0-35-2, Young 4-0-23-0, Vermeulen 6-0-19-0, Delport 5-0-30-1.