Midlands squeezed past North Harbour 5-4 in another shootout, after the scores were level 2-2 at fulltime. Black Stick Sam Charlton scored the decisive goal in the shootout.
It was so nearly North Harbour's win in normal time, with the equalizer for Midlands coming through Alia Jaques in the final minute.
The men's Challenge Shield is a squash too. Defending champions Auckland remain comfortably clear after a 2-1 win over Capital, with goals from Jared Panchia and Kim Kingstone, to a last-minute consolation effort from Jacob Smith.
Midlands' win over North Harbour in the final men's match means five teams are covered by just two points in the battle for the other three semifinal spots.
Nick Haig scored four of Canterbury's six goals against bottom side Northland to sit top on the individual scorers' list with seven.
In tomorrow's final round robin matches, in both competitions, Auckland face Southern, North Harbour play Canterbury, Northland meet Central and Capital play Midlands.