Ronnie O'Sullivan got through a Crucible classic to book his place in the semi-final - but faces an even sterner test now.
Rocket Ronnie beat Mark Sullivan in a thriller but now comes up against Mark Selby as he competes in his first semi-final since 2014.
Elsewhere, Anthony McGill plays in his first semi-final, as he takes on many people's tournament favourite in Kyren Wilson.
Judd Trump, who was knocked out by Wilson, said:"I think if Kyren plays like that he will be very tough to stop. His long potting was brilliant over all three sessions and he is my pick to go on and win the title."
Follow all the latest updates from both matches, as they happen, below...
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