Munster edged out Leinster on a count back to snatch the Golfsure Interprovincial Matches for the first time in ten years at Co Louth.
John Carroll's charges beat Connacht 8 ½ - 4 ½ as Leinster beat Ulster 7-6 on a thrilling final day.
While Munster and Leinster finished with two victories each, the title went to the southern province for the first time since 1997 on a count back of matches won - 22 matches to 21.
Rosslare's John Morris was unbeaten in his six matches for Munster - w inning three foursomes and halving his three singles.
Munster 8 1/2 Connacht 4 1/2 (Munster names first)
Foursomes: P Murray & P O’Keeffe bt J Lyons & C O’Malley 6/5; S Power
& J Morris bt M Lavelle & G McDermott 5/4; K Bornemann & S Moloney bt
D Coyne & D Scully 6/4; C McNamara & C Bowe halved with K McDonagh & C O’Connor.
Singles: P O’Keeffe bt J Lyons 6/5; P Murray lost to C O’Malley 1hole; C Bowe bt D Coyne 2/1; C McNamara lost to M Lavelle 3/2; S Power halved with G McDermott; J Morris halved with C O’Connor; G O’Flaherty bt K McDonagh 3/2; K Bornemann bt D Scully 4/3; T O’Flynn lost to S Kelly 3/2.
Leinster 7 Ulster 6 (Leinster names first)
Foursomes: S Lowry & P O’Hanlon bt R Kilpatrick & C Doran 2 holes; S Ward & S Grant lost to G Shaw & S Crowe 2/1; C Curley & N O Briain bt M Sinclair & N Grant 3/2; N Kearney & N Gorey bt F Rafferty & P Cutler 4/3.
Singles: S Lowry lost to R Kilpatrick 2/1; S Ward lost to G Shaw 2/1; P O’Hanlon bt C Doran 5/4; C Curley lost to P Cutler 2/1; N Kearney lost to N Grant 1 hole; D Lernihan bt C McAleavey 3/2; S Grant bt F Rafferty 2/1; N Gorey bt R Leonard 2/1; N O Briain lost to M Sinclair 5/4.
Final standings: 1, Munster 2 pts (22 matches); 2, Leinster 2 pts (21); 3,Ulster 1 pt (18); 4, Connacht 1 pt (17).