Emerging Nomads beat Castletown 31-24 in the Shimmin Wilson Manx Bowl at Poulsom Park.
It was a disappointing finale to the season for Castletown, who picked up tries from Mark Venables, Barry Irvine and a penalty try.
Sam Peel kicked three conversions and a penalty for Town.
TT 2025: Triple-header of opening racing planned for tomorrow
Evening contingency session also available if requiredÂ
TT 2025: Michael Dunlop tops the board in Qualifying 5
29-time winner's Superbike sets best pace of the day
TT 2025: Hickman thanks marshals, medics and staff after crash
14-time TT winner was involved in incident at Kerrowmoar on Friday (30 May)
Richard Hammond makes first visit to Isle of Man TT
Renowned motoring presenter and journalist led out today's legacy lap
TT 2025: Todd sets fastest lap of meeting in brief qualifying session
Session scrapped after just over an hour due to poor weather