Tim O'Connor, of Mt Maunganui, eyeing his first win at national level in the open men's division, won the fourth quarter-final, scoring 12.93 points.
Defending champion Jay Quinn of Gisborne, did it easily in his quarter-final, posting the day's highest heat score - 15.83. He found the best set waves and an 8.17-point ride sealed the win.
Results from day four:
Open men's division quarter-finals, heat 1- Billy Stairmand, 15.67, 1, Bobby Hansen, 12.93, 2m Larry Fisher, 6.17, 3, Leon Santorik, 5.55, 4; heat 2 - Matt Hewitt, 12.27, 1, Alex Dive, 11, 2, Richard Christie, 8.6, 3, Matt Scorringe, 5.97, 4; heat 3 -Jay Quinn, 15.83, 1, Zen Wallis, 13.43, 2, Ryan Hawker, 7.1, 3, Ben Kennings, 7, 4; heat 4 - Tim O'Connor, 12.93, 1, Chris Malone, 8.83, 2, Scott Casey, 7.2, 3, Keone Campbell, 4.87, 4