England beat South Africa by 20 runs on Friday night in the first of the five-match, one-day series.
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Scores: England 275-4 in 50 overs (Kevin Pietersen 90 not out, Andrew Flintoff 78; Jacques Kallis 2-25) beat South Africa 255 all out in 49.4 overs (Jacques Kallis 52, Herschelle Gibbs 37; Kevin Pietersen 2-22, Steve Harmison 2-43, Andrew Flintoff 2-46).