Rangers have been handed a blockbuster Premier Sports Cup quarter-final against fierce rivals Celtic after the draw for the last eight was completed, setting up an early-season Old Firm clash with significant implications for both clubs.
The pairing comes at an intriguing moment for Rangers, who have just seen Derek McInnes take charge for the first time. McInnes marked his managerial debut with a commanding 5-1 win that dumped holders St Mirren out of the competition, and he will now prepare for a home meeting with Celtic in what promises to be his sternest early test at the helm.
Notably, this will not be McInnes' first Old Firm fixture as Rangers boss, but the venue has shifted. The two sides had already been due to meet in a league fixture at Celtic Park on 20 September, though the cup tie will instead take place across Glasgow at Ibrox, giving Rangers home advantage for what is sure to be one of the standout ties of the round.
Celtic reached this stage in emphatic fashion, thrashing Dundee United 4-0 away at Tannadice to book their place in the last eight without much difficulty. That result underlined their status as one of the tournament favourites heading into the knockout stages, and they will now travel to face a Rangers side buoyed by a change in leadership and a big win to kick things off under new management.
Elsewhere in the draw, there was late drama and an upset to speak of. Lower-league Stenhousemuir produced one of the shocks of the competition by beating Motherwell after extra time, and their reward is a home tie against Hearts, who finished as Scottish Premiership runners-up last season. It represents a huge opportunity for the part-time outfit to test themselves against top-flight opposition once again, having already eliminated a Premiership side to reach this stage.
Kilmarnock were the first side to secure their spot in the quarter-finals, edging out Ayrshire neighbours Ayr United in a five-goal encounter that went their way. They now face a tricky all-top-flight assignment, hosting Aberdeen, who progressed with a comfortable 3-0 win over Dundee at Pittodrie. That victory continued the Dons' composed form in the competition and sets up what looks a competitive tie between two established Premiership clubs.
Completing the last eight, Ross County will welcome Hibernian to the Highlands after edging past Dunfermline 2-1 in their previous round. The tie promises to be closely fought, with both sides having shown quality in their respective paths to the quarter-final stage.
All five quarter-final matches, including the standout Rangers-Celtic derby, are scheduled to be played across the weekend of 12-13 September, giving clubs a short turnaround before another significant round of fixtures in the race towards the Premier Sports Cup final.
With McInnes only just settling into his new role and Celtic looking to build on their emphatic away win, the Ibrox meeting is likely to draw significant attention as both Glasgow giants aim to advance further in the competition. Attention will also turn to whether Stenhousemuir can continue their fairytale run against Hearts, and whether Kilmarnock, Aberdeen, Ross County or Hibernian can book a semi-final berth in what is shaping up to be a compelling round of Scottish cup football.
Based on reporting from BBC Sport Football.