The North Island Open Championships was a regional men's and women's grass court then later hard court tennis tournament founded in 1932 as the North Island Championships.
The tournament was played at other locations until 1978 when it was discontinued as part of the ILTF Independent Tour.
[1] This tournament has it origins in the Wairarapa Provincial Lawn Tennis Association Championships founded in 1899 and played at the Masterton, Lawn Tennis Club until 1915.
[3] In 1934 a nascent Northern Lawn Tennis Association of New Zealand was established (today its known as Tennis Northern) it organised the North Island Championships.
[1] The tournament was held in Nelson, but also other locations including,Hutt Valley, Hamilton, Lower Hutt, Palmerston North, Wellington and Whanganui.