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Philippe Clement's side was thrashed 4-1 by Lyon in the UEFA Europa League clash at Ibrox last week, but made amends with a routine domestic victory here.

Cerny broke the deadlock 11 minutes before the interval, cutting inside and curling a sumptuous effort into the bottom-left corner of Ross Sinclair's goal.

Czech Republic winger Cerny added Rangers' second, and doubled his account, just before the hour after combining with returning midfielder Ianis Hagi before producing a right-footed finish into the far corner.

Hagi, who had not played a first-team game for more than a year because of a contract dispute, was sent off with nine minutes left after a VAR review for a high challenge on Benjamin Kimpioka's standing ankle.

Rangers still recorded a comfortable triumph to move back within five points of the league leader Celtic, which is clear of Aberdeen on goal difference heading into the October international break.