Postpublished at 38 mins
Rangers 0-0 Queen's Park
Another big chance for Rangers as Nedim Bajrami gets the break of the ball in the box and drags his shot right across the face of goal.
They're getting closer and closer.
FT: Rangers 0-1 Queen's Park
Substitute Drozd shoots Championship side in front
Ferrie saves stoppage-time penalty from Rangers captain Tavernier
Queen's Park and Aberdeen join Celtic, Hibs, Dundee, St Johnstone and Livingston in quarter finals; St Mirren host Hearts on Monday
Andrew Petrie
Rangers 0-0 Queen's Park
Another big chance for Rangers as Nedim Bajrami gets the break of the ball in the box and drags his shot right across the face of goal.
They're getting closer and closer.
Rangers 0-0 Queen's Park
Derek Ferguson
Former Rangers midfielder on BBC Sportsound
Queen's Park look pretty comfortable at the moment. You can see how well-drilled they are.
They're coping with Rangers' threats well.
Rangers 0-0 Queen's Park
Rangers really should be in front.
A back pass is picked off by Hamza Igamane but he takes far too long to decide what to do, and eventually lays the ball off to Mohamed Diomande instead of shooting.
Queen's Park frantically get numbers back and the chance is squandered.
Rangers 0-0 Queen's Park
The longer this remains goalless, the more this has the feeling of a training game.
Hamza Igamane has been nutmegging folk left, right and centre, while Vaclav Cerny and Ianis Hagi have enjoyed escaping defenders.
However, it's all come to naught thus far.
Rangers 0-0 Queen's Park
Ian McCall
Former Partick Thistle manager on Sportsound
There's not a lot of pace on the ball so he should be heading that back across goal for someone else to tap it in.
Rangers 0-0 Queen's Park
A deep cross from the right finds Nedim Bajrami at the back post, but he plants his header straight at Calum Ferrie.
It's going to be a long day for the Queen's Park keeper.
Rangers 0-0 Queen's Park
Rangers keep piling on the pressure, particularly down the left-hand side through Jefte, but the final ball hasn't been there so far.
However, Queen's Park haven't threatened at all and there is a feeling of inevitability around the ground currently.
Rangers 0-0 Queen's Park
Hamilton Accies manager John Rankin is in attendance...
...as is Morton's Dougie Imrie
Rangers 0-0 Queen's Park
Derek Ferguson
Former Rangers midfielder on BBC Sportsound
Queen's Park just need to be careful. That's a couple of opportunities they've gifted Rangers now.
Rangers 0-0 Queen's Park
Another big chance for Rangers!
Iain Hagi twists and turns on the left and sends in a low cross that Mohamed Diomande sweeps towards goal, but Calum Ferrie makes a great reflex save.
Rangers 0-0 Queen's Park
Ian McCall
Former Partick Thistle manager on Sportsound
It looked a sitter from this angle. Diomande should be doing better.
I don't know what Ferrie was doing there.
Rangers 0-0 Queen's Park
Rangers work a short corner to the edge of the box and Ianis Hagi winds up a shot from distance, but it's high and wide.
They're penning the visitors further and further back.
Rangers 0-0 Queen's Park
First Rangers chance as they put the Queen's Park defence under pressure.
Calum Ferrie passes the ball straight to Mohamed Diomande on the corner of the box but he puts his first-time shot well wide.
The first warning shot.
Rangers 0-0 Queen's Park
Calum Scott is the man in the middle and he gets us under way at Ibrox.
It's Rangers who kick off.
Rangers v Queen's Park (15:30)
James Tavernier is the only Rangers player remaining from the 2022 Scottish Cup win, incidentally.
Even from the bench, Leon King is the only player who remains at the club.
It's been quite the turnover.
Rangers v Queen's Park (15:30)
Rangers' record in the Scottish Cup reads just two wins in the last 15 years - but the last time they didn't get to the quarter-finals was back in 2015.
They were still in the Championship that season, knocked out in the fifth round by Raith Rovers.
After League Cup success last season though, Clement's side go in with confidence.
Rangers v Queen's Park (15:30)
Queen's Park might not have won the Scottish Cup since 1893 but they remain the third most successful club in the tournament.
Only Celtic (42) and Rangers (34) can better their tally of 10 triumphs.
However, they've not been to the fifth round since 2009 and haven't been further since 1957.
FT: Aberdeen 3-0 Dunfermline Athletic
Dunfermline Athletic manager Michael Tidser tells BBC Scotland: "The thing that frustrates me the most is losing the goals just before half-time and just after half-time.
"We had big chances to score but unfortunately we couldn't take them. I'm really proud of the lads, this is a tough place to come and we stood up to it for long spells.
"Ewan Otoo has been first class since I walked in the building, today he was outstanding in a congested midfield with experienced players.
"I can take loads from today, the players stood up to the task. It's fine margins but it's big moments. Our focus is now on the league."
FT: Aberdeen 3-0 Dunfermline Athletic
Aberdeen manager Jimmy Thelin tells BBC Scotland: "It's really nice for everyone involved at Aberdeen to make it to the quarter-finals.
"It's important for us to get through. The new players also did well on the pitch so right now we're happy.
"Our focus point today is how we created our own goals. There's a lot of new players, it was good to see how they conducted themselves.
"We're going to take the positives from this game and use them to try and grow for the next league game."
FT: Aberdeen 3-0 Dunfermline Athletic
Let's nip back to Pittodrie for some reaction from the managers, before our full focus turns to Ibrox.