Fiji won three games in three to progress to the quarter-finals of the World Rugby Sevens Series in Cape Town ©World Rugby

Fiji, Australia and the United States all won three games out of three on the opening day of the HSBC World Rugby Seven Series in Cape Town to progress to the quarter-finals unbeaten.

Fiji thrashed France 50-0 and Kenya 38-7, before narrowly defeating England 21-19 in Pool C at the Cape Town Stadium.

The US went undefeated in Pool B, dominating against Japan 54-0 and then beating Spain 38-17 and Argentina 31-14. 

Fiji will now face Spain in the quarter-finals of the competition tomorrow, while the US meet England.

The winners of last week's series event in Dubai, New Zealand, won against Zimbabwe 35-0 but surprisingly fell foul of Samoa 21-17 in Pool A, creating a tough fixture against Australia in the next round. 

The Australian side recorded three wins today in Pool D, defeating Wales 21-14, Canada 29-15 and Scotland 26-14.

Hosts South Africa have set up a quarter-final tie against Scotland after winning against Samoa 22-12 and Zimbabwe 43-0 but then losing to New Zealand 26-21.

The quarter-finals are due take place tomorrow, alongside the semi-finals and final of what is the second event of this season's World Rugby Sevens Series.