England began their London Sevens campaign at Twickenham with two wins but Fiji remain on course to secure the IRB World Sevens title.
Despite losing Simon Amor to a stomach injury, England defeated Kenya 26-0 and then recorded a 51-0 win over Germany.
Fiji thumped Portugal 33-14 and defeated Italy 38-5.
Fiji lead the overall standings by 14 points going into this last event and would have to fail to reach even the Plate final for England to win.
England's Pool B rivals Australia stumbled to a shock 26-7 defeat against Kenya, a result which delighted the Twickenham crowd.
Reigning London Sevens champions South Africa opened up with wins over Canada and Russia while France and current series title holders New Zealand are also unbeaten after two games.
New Zealand defeated Scotland 34-7 and then crushed Tunisia 59-0.
Scotland were then beaten 22-5 by Samoa before ending the day with a 33-5 victory over Tunisia.