Stephanie Gilmore advanced to the quarter-finals in Peniche ©Getty Images

Stephanie Gilmore triumphed in an all-Australian battle with Sally Fitzgibbons to reach the quarter-finals of the World Surf League (WSL) Championship Tour in Peniche.

Fitzgibbons had achieved the highest score in the women’s competition yesterday at Pro Portugal, but her participation ended in the round of 16.

Gilmore achieved a score of 11.00 to win their heat, with Fitzgibbons exiting the event on 10.27.

The quarter-finals will see Gilmore face France’s Johanne Defay, who overcame Australia’s Molly Picklum by a score of 11.10 to 9.04.

Reigning WSL champion Carissa Moore was also among the winners in the last 16.

The American scored 13.17 to advance from her heat, with Australia’s Bronte Macaulay eliminated on 8.07.

Moore will face Australia’s Tyler Wright in her quarter-final contest.

The last eight will see Courtney Conlogue and Lakey Peterson compete in an all-American tie, while Brazil’s Tatiana Weston-Webb faces Australia’s India Robinson.

The men’s competition continued in the last 32 stage.

Brazil’s Italo Ferreira and Miguel Pupo will meet in the last 16 after advancing through their respective contest, while South Africa’s Jordy Smith will face Australia’s Connor O’Leary.

Filipe Toledo of Brazil and United States’ Jake Marshall will compete for a quarter-final spot, with American Conner Coffin due to face Australia’s Callum Robson.

Japan’s Kanoa Igarashi also advanced today.

The remaining last 32 ties will be contested tomorrow.