Azerbaijani club Qarabag advanced to the Champions League playoff round with a 2-1 win away to Sheriff Tiraspol in Moldova.
Welsh champions The New Saints bowed out of the Champions League as Cypriots APOEL turned in a powerful second-leg display.
Brendan Rodgers' first game with Celtic ended in a humiliating 1-0 loss to Gibraltar's Lincoln Red Imps in the first leg of their Champions League tie
David Lafata's hat-trick carried Sparta Prague to a 4-2 win over Swedish champions Malmo in the first leg of the Champions League third qualifying round on Tuesday.
Celtic eased through to the Champions League third qualifying round with an emphatic 4-0 win over KR Reykjavik at the BT Murrayfield stadium in Edinburgh.
Ronny Deila's tenure as Celtic boss began with a narrow but deserved 1-0 win in the first leg of their Champions League second round qualifier against KR Reykjavik, thanks to a late goal from debutant Callum McGregor.