Live text updates from the final of the Grand Slam of Darts (best of 31 legs)
Luke Littler to become new world number one for first time after reaching final
Teenager overtakes Luke Humphries
LIVE: Luke Humphries 9-11 Luke Littler at fourth break in final
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READ MORE: From unknown teen to world number one - Littler's rise in his own words
Littler 11-9 Noppert
Sam Drury
BBC Sport journalist in Wolverhampton
He still looks to be simmering but things are looking far better for Luke Littler now.
The 18-year-old dominated that mini session and is five legs away from the final - and becoming world number one.
Littler 11-9 Noppert
Danny Noppert has 132 left and leaves 40.
Luke Littler takes out 25 with five and double 10.
He leads by two after going 4-1 in the session. Turning point?
Littler 10-9 Noppert
Mark Webster
Former BDO world champion on Sky Sports
There are a lot of darts starting to drop low for Danny Noppert. That will be a concern.
Littler 10-9 Noppert
The darts are starting to drop low for Danny Noppert on the treble 20 as Luke Littler sets up the big fish.
He goes lands the two treble 20s before hitting 25. So close!
Littler 10-9 Noppert
BIG DART!
Luke Littler reacts again by taking 65 by going one,14 and bull.
He leads again.
Littler 9-9 Noppert
Massive moment for Danny Noppert with 120 left but he can only land 56.
Luke Littler can't take the 30 out and Noppert comes back with 64 on the board.
He hits double tops and lets Littler know he's not going away.
Littler 9-8 Noppert
The Kolo and Yaya Toure song is in full flow in Wolverhampton.
Classic.
Littler 9-8 Noppert
Luke Littler is flowing better now. He goes for the 150 and leaves 15 with Danny Noppert out on 164.
Littler goes three and double six to lead.
Littler 8-8 Noppert
Mark Webster
Former BDO world champion on Sky Sports
That is a huge reaction from Luke Littler. He knows how big that is. Again he's come out firing after a break.
Littler 8-8 Noppert
Danny Noppert hits a 180 to pile the pressure on Luke Littler for the 128.
He goes 18, treble 20 and bull to level.
It's also the first bit of positive emotion we've seen from him.
Littler 7-8 Noppert
Sam Drury
BBC Sport journalist in Wolverhampton
The crowd boo Luke Littler's decision not to go for the big fish and the world champion just stares them out.
He still seems a little irked but I'd imagine that is largely down to the fact he's still behind.
Littler 7-8 Noppert
Luke Littler is not in top form here and is bang in trouble if he doesn't up it.
Littler 7-8 Noppert
Luke Littler leaves the big fish. He hits two treble 20s before going for 10 to leave 40 with Danny Noppert at 176.
Littler nails the double 20 to move to within a leg.
Littler 6-8 Noppert
Mark Webster
Former BDO world champion on Sky Sports
This is brilliant from Danny Noppert. It ensures he'll lead at the next break and he's halfway to the final.
Littler 6-8 Noppert
Danny Noppert hits a 180 and Luke Littler follows his lead - leaving both men on 181.
What is happening here then? With 116 left, Noppert goes treble 19, 19 and double 20 to go two in front.
Littler 6-7 Noppert
Mark Webster
Former BDO world champion on Sky Sports
This is a fascinating clash.
That is a missed opportunity for Luke Littler. He just can't string things together at the moment.
Littler 6-7 Noppert
With Danny Noppert on 100, Luke Littler hits 128 to leave 56.
Can Noppert take the leg? No and now Littler has his chance but fluffs it on double 10. He's not quite right here.
Noppert responds with double tops.
Littler 6-6 Noppert
We've seen 10 180s so far and eight have them have gone to Danny Noppert!
Littler 6-6 Noppert
Against the throw, Luke Littler leaves 51 with Danny Noppert still on 180.
It's an 11-darter for Littler to draw level.
Is he stepping on the gas now?
Littler 5-6 Noppert
Mark Webster
Former BDO world champion on Sky Sports
Image source, PA MediaIt just feels like Luke Littler is starting to go through the gears.