Use play icon to watch
Result: Warrington Wolves 48-12 Leeds Rhinos
Result: St Helens 16-35 Catalans Dragons
Final at Wembley on 25 August
St Helens 16-35 Catalans Dragons
Catalans are happy to just boot the ball downfield and allow Saints to run it back at them.
There's not too much point in putting in the effort to chase every kick - there's no way back for St Helens.
St Helens 16-35 Catalans Dragons
Saints push forward but their attack is ended by a handling error as Remi Casty puts the pressure on.
Not long now, Catalans fans.
St Helens 16-35 Catalans Dragons
Catalans spill the ball just short of the Saints line.
The French side aren't keeping up the tempo they set for the first hour of the game, but their work is just about done.
Mark Percival, Danny Richardson goal
It was closer than it looked.
Mark Percival just keeps his arm in contact with the ball as he grounds it in the left-hand corner after slick passing from his Saints team-mates.
Danny Richardson converts.
Percival finishes slick passing move for Saints
St Helens 10-35 Catalans Dragons
Has Mark Percival scored his second try of the game for Saints?
It looked good to me, and it's ruled a try on the field, but it will be reviewed.
St Helens 10-35 Catalans Dragons
They've mentioned it on BBC One plenty of times, but it can't be repeated enough just how big a transformation this has been for Catalans.
The Perpignan outfit looked the worst team in Super League at the start of the season, but now they're just 13 minutes away from booking their place in the Challenge Cup final.
Steve McNamara has worked wonders this year.
St Helens 10-35 Catalans Dragons
Jay Freeman
BBC Sport at University of Bolton Stadium
Quite enjoyed the celebrations in the midst of Sam Moa crossing for yet another try.
After touching down, he was warmly applauded by the Warrington supporters behind the sticks. Tremendous.
Warrington are up next, facing Leeds in the second part of today's Challenge Cup semi-final double-header.
St Helens 10-35 Catalans Dragons
John Kear
Wales & Bradford Bulls coach on BBC One
If there has ever been a philosophy to play through rather than around then the Catalans Dragons have executed it perfectly.
Again it was route one and direct.
Image source, Getty Images#bbcrl
Mark Prendergast: Good game management from Catalans is much needed now. I think they’ve just got enough points of the board to win this.
Ben Mousley: These Dragons forwards have been awesome... one freight train after another.
Sam Moa, Josh Drinkwater goal
That should just about finish it.
Catalans take full advantage of that latest Saints penalty, Sam Moa bulldozing straight through Theo Fages and over the line.
Josh Drinkwater makes the conversion.
St Helens 10-29 Catalans Dragons
Pressure can do funny things to even the best of sides.
Saints are held inside their own half, but try to work the ball enough to kick the 40-20 on the final tackle.
Instead, Theo Fages flips a pass at least a couple of metres forward to hand Catalans a great starting position.
St Helens 10-29 Catalans Dragons
Big, big hit from Julian Bousquet.
The prop collides with Jon Wilkin and jars the ball loose to stop St Helens building another attack inside Catalans territory.
Just what the doctor ordered for Steve McNamara's side.
Image source, PASt Helens 10-29 Catalans Dragons
Jonathan Davies
Former Great Britain international on BBC One
For any other side 29-0 down, you're thinking it's over, but just because it's St Helens who have done it so many times before there is still that buzz of excitement and anticipation.
St Helens 10-29 Catalans Dragons
Ben Barba is starting to show his talents for Saints.
He was involved in the build-up for Louie McCarthy-Scarsbrook's try, and he causes Catalans a few more problems down their right, only for Benjamin Jullien to bring him down before he can get a grubber kick away.
Catalans need a couple of good possessions to settle down here.
Louie McCarthy-Scarsbrook, Danny Richardson goal
St Helens have hope again.
Louie McCarthy-Scarsbrook hits a slight opening in the Catalans line and works his way over.
Danny Richardson makes the conversion this time, and the deficit is down to 19 points.
Scarsbrook drives over as Saints mount comeback
St Helens 4-29 Catalans Dragons
John Kear
Wales & Bradford Bulls coach on BBC One
It was a well taken try by St Helens, they just managed to get the ball away just as the onrushing Catalans defence came.
It's still a long way back for Saints.
St Helens 4-29 Catalans Dragons
They couldn't, could they?
Saints start another set from 10 metres inside Catalans' half as the Perpignan side concede another penalty.
St Helens 4-29 Catalans Dragons
Jay Freeman
BBC Sport at University of Bolton Stadium
Their side might be on the wrong end of a thumping so far but they don't care.
Saints' sizeable support were absolutely raucous as Mark Percival finally got them off the mark.
Image source, PAMark Percival
At last, Saints get off the mark.
They take advantage of Catalans' aggressive defence to send the ball swiftly out to the left, where Mark Percival is on hand to apply the finishing touch.
Danny Richardson can't make the conversion attempt.
Percival pulls one back for Saints
St Helens 0-29 Catalans Dragons
Much more like it from St Helens.
Lewis Tierney does brilliantly to take a hanging Saints kick, but he's absolutely crushed by the follow-up tackle from Mark Percival.
A knock-on swiftly follows from one of Tierney's team-mates as Saints apply the pressure just in front of Catalans' goal-line.