Cape Town - The Blitzboks powered their way to victory in their first two matches of the Singapore Sevens, after defeating France on Saturday.
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The Blitzboks ran in two tries to narrowly beat France by 10-7, having led 5-0 at half-time.
Siviwe Soyizwapi scored a brace for the Springbok Sevens team, but was sent off in the 13th minute, which prompted a French try by Sacha Valleau.
Later on, the Blitzboks face England (13:02 SA time), who lost to France 24-14 in their opener.
Earlier on Saturday, the Blitzboks ran in eight tries to defeat Japan 52-3 in their opening Pool B clash.
South Africa, 23 points ahead of Fiji in the 2016/17 World Rugby Sevens Series standings, have won four of the seven tournaments so far this season.
Tries: Siviwe Soyizwapi (2)
Conversion: Branco du Preez
Try: Sacha Valleau
Conversion: Jean Pascal Barraque