<prompt> Bhala okuqhubekayo kwalesi sigaba - Izifundazwe zase-Ireland nazo ziye zaphumelela enkathini yobuchwepheshe. I-Ulster yanqoba iNdebe YaseYurophu ngo-1999, futhi eminyakeni ezungeze u-2010 iMunster Ulster neLeinster zavela njalo ezigabeni zokugcina zomncintiswano, zaphetha ngokunqoba kweMunster ngo-2006 nango-2008 kanye neLeinster ngo-2009, 2011 nango-2012 futhi, iLeinster yahlula i-Ulster kowamanqamu ka-2012. Ngaphezu kwalokho, iLeinster yanqoba i-European Challenge Cup ngo-2013 ngemuva kokuziphonsa nge-parachute ku-Heineken Cup yaleyo sizini. Emqhudelwaneni manje owaziwa ngokuthi i-Pro14, izifundazwe zingaba abawinile njalo noma eziseduze neziqongo zeligi. Ngo-2006, izifundazwe ezintathu ezinkulu zase-Ireland zaphela ezindaweni ezintathu eziphezulu zeligi, i-Ulster yafuna isihloko ngomgomo wokwehla kwesibili wokugcina oqinisekisa ukuthi baphela ngaphezu kweLeinster. Ngamunye wabadlali abathathu abakhulu unqobe i-league okungenani kanye ILeinster yanqoba isicoco sokuqala seligi ngo-2002 futhi futhi ngo-2008  <response>: , 2013, 2014 no-2018; I-Ulster iwine okokuqala futhi kuphela ngo-2006; kanti iMunster iwine ngo-2003, 2009 nango-2011. Esinye isifundazwe, iConnacht, sifinyelele esigabeni sokuqala sokudlala kuma-Pro12 ngo-2016 ngesihloko sazo sokuqala. 