Pre-tournament favourites Wellington and defending champions Bay of Plenty were both toppled on the opening day of the Toro golf Interprovincials on the Kapiti Coast.
The hosts Wellington were ousted by Hawkes Bay 3-2 in the morning's first round, while Taranaki, last in the 2009 interprovincials, downed Bay of Plenty 3-2 in the afternoon at Paraparaumu Beach Golf Club.
Auckland had a convincing win in their only match, Manawatu-Wanganui fought back from the morning loss to Northland to upset Waikato in the afternoon convincingly, while Otago scored a victory over Tasman.
The division has the unusual sight of Bay of Plenty at the bottom of the table.
In division two, Aorangi, who had only two wins in the entire tournament last year, win twice on the opening day, disposing of Poverty Bay and Southland.
Harbour beat Southland 4-1 in the morning and stepped up against Hawkes Bay in the afternoon after their barnstormer over Wellington in the morning.
Canterbury were emphatic in their only match of the day to share third place with Hawkes Bay with Wellington joining Poverty Bay and southland in a winless opening day.
Section play continues until Friday with semifinals and final on Saturday.