Fiji Rugby Sevens coach Ben Ryan has conceded Jarryd Hayne is facing a monumental task to realise his Rio Olympics dream.
The league and American football convert played barely 10 minutes in Fiji's first two pool games at this weekend's Twickenham tournament, and didn't hit the scoreboard in a commanding 42-5 win over Wales.
The Pacific Island nation routed Australia 26-0 in their final pool game to secure back-to-back World Series championships.
Hayne arrived in London on Monday well down on fitness levels after walking out on his contract with the San Francisco 49ers.
It's meant Ryan has had to nurse his latest acquisition through the opening rounds of the London tournament, making it harder to get a read on Hayne's Olympic prospects.