After picking up a first win of the season last week, Bohemians will look to build on that this evening.
Keith Long's Gypsies are away to Kevin Sheedy's Waterford in the first of two games in the SSE Airtricity Premier Division.
Kick-off at the RSC is at 5.45.
That's followed at 7.45 by the meeting of bottom side Derry City and Drogheda United at the Ryan McBride Brandywell.
There's a full programme in the First Division tonight, with early leaders Athlone making the trip to Bray.
Unbeaten Dubliners UCD and Cabinteely meet at Belfield.
Galway seek a first win of the season when Treaty United make their first visit to Eamon Deacy Park.
Cork entertain Shelbourne, and Wexford play Cobh.