Rangers defeated Alashkert of Armenia 1-0 at Ibrox in the first leg of their Europa League play-off thanks to a second-half goal from Alfredo Morelos, after having John Lundstram sent off before the break.
In the Europa Conference League play-offs, St Johnstone earned a 1-1 draw with LASK in Austria with a goal from Chris Kane to set up a huge game at McDiarmid Park next Thursday.
Aberdeen lost 1-0 to Qarabag in Azerbaijan but the Dons will hope they can turn things round at Pittodrie next week and reach the group stage.