The two teams with Wanganui connections will contest the final of the Inspire Net Premier Squash Players Series in Palmerston North next week after Wednesday's last round robin went right down to the wire.
Rod Bannister and his Doyle & Associates team emerged with a hard fought 2-1 win overMore FM where all three games went to the gruelling five sets.
Bannister claimed the fifth and deciding set over a game Ben Calvet for a 8-11 11-6 11-8 6-11 11-9 victory.
His teammate Jason Fletcher beat Danielle Fourie by a similar margin, while Cameron Foster lost his deciding set to older brother Daniel Foster.
Higgins Contractors have struck up convincing victories over the past two weeks, and that continued with a 3-0 over MacDougalls to book the other place in the final next Thursday.
Wanganui tennis pro Victor Romero beat Mal Wyeth 11-9 11-6 11-9, while recent national Under 23 champion Rebecca Barnett beat junior Blake Koolen in three close sets.
Their teammate Geoff Spencer had a tough five-setter with Taylor Leabourn, winning the tie breaking final set 14-12, which saw him win the MVP award for the night and take an unbeatable lead into finals night.
Doyle & Associates and Higgins Contractors will meet to decide the championship.