There is an equally vital clash at the Tauranga Domain, where Tauranga Sports and Judea square off.
With both teams having a win and a loss on their ledger card, the winner will take a big step towards a berth in the Western Bay final, where the Combined Cup is at stake.
In the third top six match-up, Rangataua and Matakana Island meet in the early game at Te Ariki Park.
Seeka KI Western BOP Senior Draw 22 June (All games 1pm unless specified)Merv Scholes CupTauranga Sports v Judea, Tauranga Domain; Arataki v Mount Maunganui, Grenada Park (2.45pm) Rangataua v Matakana Island, Te Ariki Park.
Points Table: Arataki 4, Mount Maunganui 4, Tauranga Sports 2, Judea 2, Matakana Island 0, Rangataua 0.
Phelan CupGreerton Marist v Te Puke Sports (2.45pm) Greerton Park; Eastern Districts v Rangiuru, Paengaroa Domain (2.45pm) Katikati v Te Puna, Moore Park.
Points Table: Te Puna 4, Katikati 2, Te Puke Sports 2, Eastern Districts 2, Greerton Marist 2, Rangiuru 0.
WBOPRFS Challenge Trophy Games 22 June (holder in italics)WBOPRFS Colts (Oliver Cup) Te Puke Sports v Greerton MaristSeeka KI Western BOP Comp (Hardy Rosebowl) Arataki v Mount Maunganui