The second leg of both ties take place next week.
St Pat's and Shamrock Rovers both have work to do if they're to progress further in qualifying for the Conference League.
Pat's lost 4-1 to Besiktas last night in the first leg of their third round tie at Tallaght Stadium, while Rovers suffered a 1-0 defeat to Ballkani in Kosovo.
The second leg of both ties take place next week.
There are two games in the Premier Division of the SSE Airtricity League tonight.
Both matches kick off at 7.45.

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