The final match will be played on July 14 at Bready Cricket Club, Magheramason, Bready.
The second T20I between Ireland Women and Zimbabwe Women will be played on July 12 at Bready Cricket Club.
New Zealand reached the final of the 2019 World Cup, while the Ireland-Zimbabwe T20Is – both Women's and Men's – were washed out.
The first T20I between Ireland Women and Zimbabwe Women will finally be played at Belfast, on July 10.