Kerry 2-18 Tyrone 0-12 (FT)
Armagh 0-14 Monaghan 0-14 (FT) - Monaghan won 9-8 on penalties.
Armagh 0-13 Monaghan 0-13
The referee's whistle goes to bring an end to the first period of extra time.
The sides go in for a break all square, pretty much as they have been for the majority of this hugely tight contest.
Image source, bbArmagh 0-13 Monaghan 0-13
Armagh 0-13 Monaghan 0-13
There is one minute of additional time to be played at the end of the first period of extra time, as Stephen O'Hanlon hits Monaghan's 10th wide.
Armagh 0-13 Monaghan 0-13
And we are level again as Conor McManus lands a free for Monaghan, who now have their full complement of 15 players on the pitch again.
Armagh 0-13 Monaghan 0-12
Aidan Forker has gone off with cramp. He's been brilliant for Armagh.
Image source, Getty ImagesAidan Forker
Armagh 0-13 Monaghan 0-12
Monaghan look like they are trying to stifle the game for now while they wait for Sean Jones to be able to return from the sin-bin and bring them back up to 15 players.
Armagh 0-13 Monaghan 0-12
What a start to extra-time for Armagh as Ross McQuillan grabs a point in the opening seconds.
Armagh 0-12 Monaghan 0-12
The teams are back on the pitch and extra-time is about to start.
Monaghan still down to 14 men, don't forget, for another six minutes.
FT: Armagh 0-12 Monaghan 0-12
As we await extra time, it's maybe a chance to have a look back at the highlights from Kerry's comfortable win over Tyrone in the earlier quarter-final at Croke Park.
Highlights: Dominant Kerry claim quarter-final victory over Tyrone
Armagh 0-12 Monaghan 0-12
It's worth remembering that this is the second year in a row when Armagh have gone to extra time in an All-Ireland quarter final.
Last year, Kieran McGeeney's men ended up losing on penalties to Galway at this stage of the competition.
A cruel way for any team to lose, of course, and they'll be hoping to avoid that fate again this evening.
Image source, InphoGalway celebrate after winning on penalties in the 2022 All-Ireland Senior Championship Quarter Final
Armagh 0-12 Monaghan 0-12
There's a load of unnecessary, silly pushing and shoving as the full-time whistle goes and a ridiculously tight game finishes all square.
To extra-time we go!
Image source, BBC SportArmagh 0-12 Monaghan 0-12
Armagh 0-12 Monaghan 0-12
Neutrals out there - do you want extra time? It looks like we could well be heading for it.
Monaghan and Armagh fans - how are your nerves?
Image source, InphoConor McCarthy with Stefan Campbell as he follows his kick
Armagh 0-12 Monaghan 0-12
Huge call from the ref as Monaghan's Sean Jones is shown a black card and will be off the pitch for the remainder of the game - in normal time at least.
Armagh 0-12 Monaghan 0-12
We're level YET AGAIN.
It was a long punt from Armagh's Aidan Forker and it looked like Aaron McKay who jumped with Rory Beggan and fisted the ball over the bar.
Armagh 0-11 Monaghan 0-12
The tension, the tension.
Three minutes to play and it is Monaghan who have their noses in front for now.
Image source, InphoConor Boyle comes up against Ben Crealey, Andrew Murnin and Ciaran Mackin
Armagh 0-11 Monaghan 0-12
Conor McManus rolling back the years as he points for Monaghan to nudge them ahead.
How are your nerves?
Armagh 0-11 Monaghan 0-11
Goalkeeper Rory Beggan usually strikes the ball so cleanly but he was wide with a free there for Monaghan.
What way is this Ulster derby heading? So little between these two sides.
Armagh 0-11 Monaghan 0-11
Michael Bannigan could well have been going for goal there.
He doesn't make it, but does notch a point to bring Monaghan level.
That's 11 times - and counting - that the sides have been level.
Armagh 0-11 Monaghan 0-10
Monaghan keeper Rory Beggan makes good save from Conor Turbitt, staying big to get a block on his close-range effort from an angle.
Up stepped Rian O'Neill, though, to score from the 45 to put Armagh one-point ahead. Again!
Armagh 0-10 Monaghan 0-10
Rory Grugan had a massive call to make there - and he played it safe and took his point.
Could he have gone for goal though rather than fisting over Rory Beggan and over the bar for a point that brings his side level?
Image source, Getty ImagesRory Grugan of Armagh
Armagh 0-9 Monaghan 0-10
Michael Bannigan benefits from a good pass by keeper Rory Beggan and fires over to give Monaghan the lead again.