Nairo Quintana is now working with Romain Bardet, Alexey Lutsenko and Sebastien Reichenbach on the descent.

But Simon Geschke and Simon Yates have increased their advantage to 43 seconds now.

Matt Taggart: As much as I've loved cheering on Cav, Froome, and Geraint, this year has really ramped up the excitement. There's part of me that's really hoping Alaphilippe can pull this off.

Simon Geschke and Simon Yates lead four chasers by 28 seconds, Mikel Landa and Marc Soler by 2:13 and the yellow jersey group by 2:51 with 32km to go.

Rigoberto Uran remains in the yellow jersey group.

Three tough climbs down, one to go.

A first ever Tour de France ride up the Prat d'Albis - how will it shake up the GC?

Image source, Tour de France

Mikel Landa has bridged across to Movistar team-mate Marc Soler and they have 30 seconds on the yellow jersey group.

The front of the break hasn't come back together on the descent - Simon Yates and Simon Geschke have managed to stay clear.

It's partly because Nairo Quitana is refusing to do his turn in the chase, perhaps mindful Landa and Soler are coming up from behind.

Romain Bardet is FUMING and gesticulates at the Colombian.

An elite break should get back together on the descent now.

George Bennett is struggling now to keep up with the pace being set by his Jumbo-Visma team-mate Laurens de Plus.

The favourites are not going to have many domestiques left for this final climb.

Bennett has just hung on to the back of the yellow jersey group over the Mur de Peguere and will try to conserve some energy on the descent.

Simon Geschke holds on to roll over the summit of the Mur de Peguere in first place.

That lands him 10 king of the mountains points.

Simon Yates follows seconds later - that bags him eight points but he's only concerned with the stage win really.

Romain Bardet, who is chasing the polka dot jersey, takes third and claims six points.

Mikel Landa is kicking on, using dropped breakaway riders as milestones to aim at.

Yates can see Geschke now with 700m to the summit.

Yates' attack is splintering the chasing group. Dan Martin is slipping back.

Jumbo-Visma have reeled in Jakob Fuglsang.

Mikel Landa still has 10 seconds or so on the yellow jersey group.

Simon Yates is spinning away from the big chasing group and is setting off in pursuit of Simon Geschke, with 1km to go to the summit.

David Gaudu is being shelled out the back of the favourites.

A bit of a blow for Thibaut Pinot - but crucially he has Sebastien Reichenbach and Rudy Molard up the road.

If they can conserve some energy and go again, Pinot will have two support riders for the final climb.

Jumbo-Visma are now working on the front of the group of favourites in service of Steven Kruijswijk.

Simon Geschke still driving on alone off the front - he has 1.5km to the summit of the Mur de Peguere.

And now Michal Kwiatkowski is dropped!

Geraint Thomas only has Wout Poels and Egan Bernal with him now.

Thibaut Pinot has two team-mates still up the road.

Riders are being shelled back all over the road now.

Team Ineos' Jonathan Castroviejo, GIanni Moscon and Dylan van Baarle have cracked.

Simon Yates is still in the big group up the road that are just behind lone leader Simon Geschke.

But twin brother Adam is having another bad day and has been dropped by the big GC hitters.

And the contenders have spotted Alaphilippe is isolated now.

Mikel Landa goes and Jakob Fuglsang comes with him.

They are a long way back on GC so have to try something bold from distance.

Still a long way to go in this stage but this is a crucial period.

Julian Alaphilippe only has Dries Devenyns with him now.

Remember, the Frenchman's usual mountain support Enric Mas is having a terrible day and is nearly seven minutes back down the road.

Simon Brotherton
Commentator on BBC Radio 5 Live Sports Extra

Simon Geschke is climbing so slowly you could walk alongside him on this section.