One of 4 provincial Gaelic football championships in Ireland (Ulster, Leinster, Munster, Connacht). The winner of this match goes on to the All-Ireland quarter-final, the loser has to play another team that lost their provincial championship for a spot in the All-Ireland quarters. Ulster is 9 counties, 6 of which (including both Tyrone (current All-Ireland champions) and Antrim) are in Northern Ireland, but the park the match was in was in the Republic of Ireland.