DIGICEL Fiji Sevens side will take on Australia in the Cup quarter-finals of the Japan 7s at 1.28pm today.
The side topped Pool A beating South Africa 29-12 in the opening match before struggling to overcome Spain 17-5 in its second pool match.
Alifereti Dere's men thrashed Portugal in its final pool match 34-7 to keep alive its hopes of back to back win in the 2012/13 HSBC IRB Sevens World Series at the Prince Chichibu Memorial ground.
Fiji took a minute and a half to get on the scoreboard against the Portuguese through Donasio Ratubuli to lead 7-0.
Portugal responded a minute later through Nuno Sousa Guedes to level the score 7-7.
Samisoni Viriviri and Jasa Veremalua added a try each to give Fiji a 17-7 lead at the break.
Coach Dere added some fresh legs to the side in the second spell that ran rampage over a hapless looking Portugal.
Tries from Leone Nakarawa and a brace from Benito Eremasi sealed Fiji's 34-7 win.
Dere said the match against Portugal tested Fiji's defence which stood like a tough wall to deny them more tries.
"The day we left Hong Kong we finished the celebrations, we are here in Japan and working on this now," he told irbsevens.com.
Fiji defeated Australia 29-5 in the Hong Kong 7s quarters last weekend and will be hoping for the same today.
Series leaders New Zealand will take on the US in the second quarter-final at 1.50pm.
Samoa topped Pool D after beating Australia 26-14. The Pacific Islanders face South Africa in the third Cup quarter-final at 2.12pm.
Scotland topped pool B and take on France at 2.34pm.