Skipper Selvyn Davids scored one of three tries as South Africa sunk Samoa to edge closer to the Singapore Sevens quarter-finals on Friday.

Scores from Quewin Nortje and Shilton van Wyk helped the Blitzboks claim a 15-10 win and continue their unbeaten start to the tournament, after thrashing Spain 31-7 in their opening Pool B fixture against Ireland.

RECAP: Five-star Blitzboks thrash Spain

Uaina Tui Sione and Daniel Patelesio dotted down for the Samoans, who kicked off their campaign with a defeat to France.

The Blitzboks will now refocus for their final pool clash against the French on Saturday at 8.24am.

Photo: David Van Der Sandt/Gallo Images