Champions Dundalk kick started their SSE Airtricity League campaign with a win.
A brace from Ciaran Kilduff and a third from Ronan Finn saw them see off Bray Wanderers 3-1 at the Carlisle Grounds.
Elsewhere, Brandon Miele and Danny North were on target for Shamrock Rovers as they defeated nine-man Sligo Rovers 2-0 at the Showgrounds.