USA, Fiji and South Africa recorded three wins from three on day one of the HSBC World Rugby Sevens Series in London on Saturday.
For the former two, those results guaranteed them their place in the Tokyo 2020 Olympic Games, where they will be joined by a New Zealand outfit who earned two victories at Twickenham.
On day two of the London event, South Africa will take on Australia in the first Cup quarter final with New Zealand lining up against France in the second.
The third quarter-final is a North American affair with USA facing Canada and Fiji and Ireland will complete the line-up.
The Cup quarter-finals, starting at 10:58 UK time on Sunday, will be as follows:
South Africa v Australia
New Zealand v France
USA v Canada
Fiji v Ireland
Ireland stunned England 17-21 before going down 34-7 to New Zealand before they clinched second place in Pool C by beating Scotland 12-43. They finished the group level with England but progressed with a better points difference.