Leinster eased past Ulster 43-20 in their United Rugby Championship clash to set up a semi-final encounter with the Bulls in Pretoria next weekend.
Leinster boosted their hopes of a top-two finish in the BKT United Rugby Championship with a 33-7 bonus point win over Connacht at the RDS Arena.
Leinster head coach Leo Cullen admitted his players are suffering from crushing disappointment following a third consecutive Champions Cup final loss.
Leinster were unable to shed their losing habit in Champions Cup finals after they were edged 31-22 by Toulouse with only extra time separating the rivals at Tottenham Hotspur Stadium.
Leinster fended off a second-half comeback to beat Northampton 20-17 in the Champions Cup semi-final at Croke Park.
Leinster dropped from the top of the United Rugby Championship standings after losing 42-12 to the Stormers in Cape Town.