Sevens: Black Ferns Sevens cruise into semi-final in Sydney

The Black Ferns Sevens have eased past Canada 17-7 to reach the semi-finals of the World Sevens Series in Sydney.

Ruby Tui scored the opening try of the game, capping off a dominant first three minutes of possession.

Canada's Ghislaine Landry hit back for the North Americans just before halftime, after breaking through the Ferns defence.

Sarah Hirini finished off a fantastic long range try to take a 10-7 lead into the break.

Tyla Nathon-Wong was helped off the field after the try was scored, immediately getting attention to her ankle. 

Theresa Fitzpatrick capped things off with a second half try to claim a 17-7 victory.

Canada came into the Sydney leg of the World Series, six points behind leaders New Zealand. 

The Black Ferns will face the USA in the semi-finals at 11:34am on Sunday.