5,000 or so at Stamford Bridge for this one. Chelsea hold a 2-1 aggregate lead against Manchester United, but away goals do not apply, so Chelsea have to draw or win to advance. Here are your lineups:

Chelsea starting lineup: Jamal Blackman, Todd Kane, Alex Davey, Nathan Ake, Adam Nditi, Nathaniel Chalobah, Amin Affane, John Swift, Islam Feruz, Lewis Baker, Lucas Piazon.

Substitutes from: Alex Kiwomya, Mitchell Beeney, Achange Nkumu, Nortei Nortey, Reece Mitchell

Manchester United starting lineup: Jonathan Sutherland, Liam Grimshaw, Tyler Blackett, Nicholas Ioannou, Luke McCullough, Ben Pearson, Jack Barmby, Joe Rothwell, Sam Byrne, Mats Daehli, Gyliano van Velzens.

Substitutes from: Luke Hendrie, Liam Jacob, James Wilson, Charni Ekangamewe, Jack Rudge.

Blackburn Rovers await the winners...