UL EAGLES coach Mark Keenan described knocking holders UCD Marian out of the Superleague National Cup as the "biggest win of the season so far".
He was the man in charge of Killester when Marian clinched the title so there was some personal satisfaction for the UL coach, who held off a fightback from the students to hold out.
The arrival of American Robert Taylor has bolstered the Shannonsiders and they held on for a 72-62 win.
And it is Killester who await the Eagles in a mouth-watering semi-final after they comfortably beat Moycullen 83-69.
There will be an all-Cork semi-final on the other side of the draw after Neptune came from behind to beat Belfast Star, while form side DCU Saints crashed out at the hands of UCC Demons.
"We didn't reach the last four last season so it's a great feeling to be involved this time around," said Demons coach Paul Kelleher after his side's 89-74 win.
There was one game in the Nivea For Men's Superleague on Sunday as Killester rounded off a fantastic weekend by beating UCD Marian 67-52.
Reigning Women's Superleague Cup champions, DCU Mercy, will face Killester in the last four.
They recorded an impressive 78-60 victory away from home over Waterford Wildcats.
Killester saw off Ulster Rockets, while Glanmire overcame Meteors to set up a semi-final against UL who beat Brunell.