Pool A
England stunned the home fans in Wellington as a try to Dan Norton and a brilliant double to the returning Matt Turner saw England defeat the All Blacks 19-14. In the next match Spain came back from an early try to defeat the USA 10-5, with Marcus Poggi bagging a double.
Pool B
Kenya booked their place in the Cup quarters with a 17-10 defeat of Tonga, to remain unbeaten on day one, and will be joined by runners-up Argentina following Los Pumas' 17-14 win against France thanks to a last-gasp penalty drop goal from Javier Rojas.
Pool C
Three second half tries gave Samoa a 19-10 victory against South Africa, who led 10-0 at half time. Alatasi Tupou, Patrick Faapale and Robert Lilomaiava all scored for the 2012 Dubai champions, before they made it two wins from two against Wales, beating the reigning RWC Sevens champions 19-10.
Pool D
Australia ended day one with a 100 per cent record thanks a 17-0 victory in the Pool D decider. Michael O'Connor's side opened their account with a 24-5 victory against Portugal. Lewis Holland was impressive throughout, and they went on to beat Fiji 21-12 in their second match.