South Africa's juggernaut rolled on in the Women's World Cup as they crushed Sri Lanka by 10 wickets in a rain-marred contest in Colombo on Friday.

Sri Lanka will rely on their exceptionally varied bowling attack to tame the unrestrained batting power of South Africa in their Group D T20 World Cup opener in New York on Monday.

Fast bowlers Kagiso Rabada and spinner Tabraiz Shamsi picks up four wickets each to set up South Africa's five-wicket victory against Sri Lanka in the first one-day international at Dambulla.

Sri Lanka's stand-in captain Upul Tharanga is suspended for two matches due to his team's slow over rate in the Champions Trophy game against South Africa.

Sri Lanka skipper Angelo Mathews suffers a calf injury and may not play in their first Champions Trophy group match on Saturday.