Bottom-placed The Station Napier Old Boys' Marist CC beat Ruahine Motors Central Hawke's Bay CC by six wickets at Nelson Park on Saturday.
It was NOBM's second win in the format and they were out of the running in the playoffs.
Former Black Cap Mathew Sinclair featured with the bat (50 not out) and the ball (3-25) for the victors who also had beaten NTOB in the Property Brokers-sponsored competition.
Opening seamer Sunil Kumar claimed a five-wicket bag 5-34.
Reynard Health Supplies Havelock North CC, who travel to Forest Gate Domain, Ongaonga, to face CHB in the semifinal, beat Cornwall by 61 runs in the Hastings derby.
Both sides also exchanged gifts — the villagers handed over 36 extras, including 23 wides and five no balls, while the hosts obliged with 14 wides and two no balls.
RESULTS
At Cornwall Park, Hastings: Reynard Health Supplies Havelock North CC 36/9 in 50 overs (Jono Whitley 58, Ben Fair 38, Harry Young 35; Willem Ludick 2-17) bt Heretaunga Building Society Cornwall CC 175 all out in 38.2 overs (Jono Hall 50; Pete Marffy 3-49, Rhythm Sharma 2-17, Jared Priest 2-36, William Clark 2-50) by 61 runs.
At Nelson Park, Napier: Ruahine Motors Central Hawke's Bay CC 150/9 in 33.2 overs (Aneurin Norman 53, Robbie Schaw 35; Sunil Kumar 5-34, Mathew Sinclair 3-25) lost to The Station Napier Old Boys' Marist 152/4 in 36.5 overs (Mathew Sinclair 51no, Jay Mahi 38no, Harry Ghodke 37; Hamish Lewis 2-37) by six wickets.
At Taradale Park, Napier: You Travel Taradale CC 207/9 in 50 overs (Luke Wright 70; Stevie Smidt 5-36) bt Innovative Electrical Napier Technical Old Boys CC 163 all out in 40.2 overs (Jesse Ryder 31; Harry Cooper 4-31, Angus McKnight 2-28, Oliver Kye 2-4) by 44 runs.
Final standings: NTOB 63pts, CHB 53, Havelock North 43, Cornwall 42, Taradale 40, NOBM 22.
Semifinalists this Saturday: NTOB v Cornwall at Nelson Park; CHB v Havelock North at Forest Gate Domain, Ongaonga.
Overall season's point standings: NTOB 128, Havelock Nth 119.8, Cornwall 96.6, CHB 88.2, Taradale 75.8, NOBM 30.