Group D leaders Poland are in town for a meeting at the Aviva Stadium.
Following last November's defeat to Scotland, and with four home games to come before the end of the campaign, captain Robbie Keane says they must secure three points tonight.
Kick off at Lansdowne Road is at 7.45.
Before that at 5, Germany are away to Georgia, while Scotland welcome group whipping boys Gibraltar to Hampden Park.
In Group F this evening, Northern Ireland welcome Finland to Windsor Park.
That one kicks off at 5, as does the meeting of Romania and the Faroes.
While Hungary face Greece at 7.45.
Portugal can go top of Group I with a win at home to Serbia this evening, while before that Armenia go to Albania.
