The two sides played out a close draw two weeks ago and must now do it all again at New Inn, with throw in at 7:30 this evening.
The loser will face Cashel King Cormacs in the final.
Before that at 7:15 Borrisokane play Thurles Sarsfields in the semi-final of the Seamus O' Riain Cup in Templemore.
The winner will play Carrick Davins in the final, after their 3-19 to 2-14 victory over Lorrha-Dorrha in the other semi-final last weekend.
And there's a derby match in Round 1 of the South Tipperary Football Championship at 7:45, when Clonmel Commercials play local rivals Clonmel Og in Kilsheelan.
Commercials, the reigning County football champions, beat Clonmel Og by 1-08 to 1-06 in Group 1 of the County SFC last weekend.
