Cork progress in Europa League but Hearts and Hibs crash out
Kevin O'Connor's first-half goal gave Cork a 1-0 win at home to Swedish side Hacken and secured a 2-1 aggregate win which put them into the third qualifying round of the Europa League.
Aberdeen beat Ventspils 1-0 with Adam Rooney on target, completing a 4-0 aggregate win, but there were defeats for Edinburgh rivals Hearts and Hibernian.
Hearts were shocked 2-1 at home by Malta's Birkirkara after a goalless first leg. Christian Bubalovic and Edward Herrera's goals rendered Connor Sammon's reply meaningless.
Hibs beat Brondby 1-0 in their second leg, David Gray's goal levelling the tie at 1-1, but lost 5-3 on penalties as John McGinn's opening effort was saved.
Cliftonville's European involvement ended in Cyprus where AEK Larnaca won 2-0 thanks to goals from Vladimir Boljevic and Joan Tomas to secure a 5-2 aggregate win.
The Belfast side had Caoimhin Bonner sent off after just 11 minutes.
The Welsh Premier League's Connah's Quay exited 3-1 on aggregate after Vojvodina extended their 1-0 first-leg lead with two goals from Dejan Meleg, the second a penalty, and Michael Wilde's response midway through the second half could not spark a fightback.
St Patrick's Athletic's creditable 1-1 draw in Belarus last time out counted for nothing as Dinamo Minsk progressed thanks to Gleb Rassadkin's solitary goal in the Dublin return leg.