Teemu Pukki scored with 20 minutes remaining to earn Celtic a 1-1 draw against Rapid Vienna in a pre-season friendly on Sunday.
Ronny Deila's men went behind early on in Austria through a Virgil van Dijk own goal but Pukki levelled after coming on as a substitute.
Hearts defeated Dinamo Bucharest 2-1 at Leigh Sports Village thanks to goals from Sam Nicholson and Gary Oliver.
Rangers were held to a 1-1 draw by Highland League champions Brora Rangers at Dudgeon Park. The home side went ahead through James Mackay but Kris Boyd came off the bench to equalise in the second half.
Lawrence Shankland struck on the hour mark as Aberdeen beat Peterhead 1-0 at Balmoor.