New Zealand pair Anna Scarlett and Susan Blundell's quest to claim their first New Zealand Open remains on course folliwng a convincing quarterfinal win in Auckland on Saturday.
The world No 33-ranked pair were in dominant form against compatriots Hayley Griffiths and Melissa Ruru, controlling the game from the outset to win 21-9 21-8.
Their semifinal opponents are world No 5-ranked Americans Angie Ackers and Tyra Turner, who dispatched New Zealand's second ranked team Micah Lindsay-Brown and Hannah Croad 21-12 21-9.
It is the first tournament for two months for Akers and Turner after an injury layoff.
The other women's semifinal also features big names, with Beijing Olympics silver medallist Tian Jia and her Chinese partner Wang Fei facing the world's 4th ranked side of Sara Goller and Laura Ludwig from Germany.
Jia and Fei won the match of the day, surviving a match point to narrowly beat the German combination of Sarah Hoppe and Katharina Culav 21-14 18-21 17-15.
Goller and Ludwig showed their class against the young New Zealand pairing of Kate Sheriff and Julia Tilley, beating the Gisborne-based duo 21-12 21-7.
In the men's section, New Zealand's top pairing of Brendon Heath and Edwin O'Dea won through to the semifinals, beating Charles Leota and Damon Haenga 21-18 15-21 15-5.
O'Dea will meet his 17-year-old brother Ben, and playing partner Mike Watson in tomorrow's semifinals.
The other men's semiis an all international affair between China's Zhou Shun and Liu Wei and Australia's Aaron Crook and Adam Blackburn.