The Fiji Airways Fijiana 7s side finished in seventh place at the Valladolid 7s after defeating host, Spain, 14-5.
Spain started strong, putting pressure on the Fijian girls from kick-off and starving them of possession.
They scored first through Maria Garcia to lead 5-0 at halftime.
Fiji came out firing in the second half with tries to Verenaisi Ditavutu and Mariana Talatoka.
They also defended their try line well as Spain continued to put pressure on the Fijian girls.
In other results, Argentina beat Great Britain 24-19 in the 11th-place playoff, and South Africa defeated Brazil 19-12 in the 9th-place playoff.
Coming up, France will meet Japan at 11.58pm in the 5th place playoff, New Zealand will face Canada at in the 3rd place playoff, and Australia will take on the USA at 1.46am tomorrow in the women's cup final.
