The 20-time winners will face KK in the semi-finals.
St Rynagh's are into the semi-finals of the Offaly Hurling Championship following their victory over Shinrone on Saturday.
Arien Delaney's side defeated last season's finalists by 1-24 to 0-25 in St Brendan's Park and have set up a meeting with champions Kilcormac Killoughey in two weeks.
Stephen Quirke got his side's all imporant goal, with Shane Rigney and Darragh Scully scoring 0-10 points between them.
St Rynagh's are looking to win their first title since 2021.
Delaney says his side showed great spirit and heart to grind out the win:
Arien Delaney spoke to Liam White after the game:
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