Rangers potentially face a major change to their Europa League schedule depending on the outcome of the Round of 16.
Barry Ferguson's side are 3-1 up against Fenerbahce at the halfway point of the last-16 tie.
Jose Mourinho's men were put to the sword in Turkiye last week thanks to goals by Cyriel Dessers and Vaclav Cerny.
The return leg will be played in Glasgow tomorrow night, with a sold-out Ibrox ready to cheer on the Scottish Premiership champions to help them reach the quarter-final stage.
If Rangers manage to see out the tie against Fenerbahce, then they will come up against either Roma or Athletic Club. The former lead 2-1 after the first leg in Rome last Thursday.
However, it has today emerged that there is a potential fixture change for Rangers for the next knockout round.
That's because if both Roma and Lazio progress to the quarters, then Roma's matches would be reversed as they finished lower than their city rivals - who they share the Stadio Olimpico with - in the league phase of the competition.
Should that come to pass, and Rangers progress, then Ferguson and his players would travel to the Italian capital for the first leg on Thursday, April 10.
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The second leg would be played at Ibrox a week later on Thursday, April 17.
If it's Bilbao who progress to play Rangers, or Lazio doesn't overcome Viktoria Plzeň despite holding a 2-1 lead after the first leg, then Rangers would play the first leg of their quarter-final at home.
The club's SLO wrote on X: "Following guidance from UEFA, supporters are advised should we be fortunate enough to progress in the Europa League and our opponent being AS Roma, the order of the tie would be reversed due to a stadium clash with SS Lazio.
"Supporters are therefore advised not to make travel plans, again in the event of qualification, until the order of ties and opponents are firmly set."