Zimbabwe 214 for 7 (Burl 59, Raza 43, Adair 2-40, Hume 2-41) beat Ireland 288 for 4 (Balbirnie 121*, Tector 101*; Nyauchi 2-65) by three wickets on DLS method
Target: 214 in 37 overs
Harare: Clive Madande hit a four off the final ball to give Zimbabwe a dramatic three-wicket win on the DLS method in their opening one-day international against Ireland in Harare.
Chasing down the visitors' 288-4, the hosts went into the final over needing 13 runs to win before Madande's victory-clinching boundary.
Rain delayed the match with 18 overs of Zimbabwe's innings remaining.
Ireland captain Andrew Balbirnie hit 121 runs before retiring injured.
Wednesday's encounter was the first match of a three-game ODI series in Zimbabwe, with the sides meeting again on Saturday.
Zimbabwe won the toss, opted to field and the decision paid off initially as openers Paul Stirling and Stephen Doheny were dismissed with 25 runs on the board.
The match then underwent a dramatic change as Balbirnie and Harry Tector, with 101 not out, put on 212 for the third wicket - 16 runs short of the Irish record.
Balbirnie faced 137 balls, hitting three sixes and 13 fours before being struck on the head by a Brad Evans delivery that forced to quit.
Tector reached his century with a two off the fourth ball of the final over, with his total including one six and eight fours off 109 deliveries.
Fast medium pacer Victor Nyauchi was the best of the Zimbabwe bowlers, taking two wickets for 65 runs.
Ryan Burl brought up his fourth ODI half-century on his way to 59 in Zimbabwe's rain-interrupted response, with Sikandar Raza contributing 43 runs and Craig Ervine 38.
Mark Adair and Graham Hume both took two wickets for Ireland before the dramatic finish and Madande's winning four.