Leeds open their League One campaign with a trip to Tranmere, the first time the teams have met in a league match. United's fellow former Championship clubs both start with home games, Luton hosting promoted Hartlepool while Southend entertain Leyton Orient.
Last season's League Two champions Walsall welcome Carlisle and Swindon, who also came up, are at Northampton.
League Two play-off winners Bristol Rovers go to Port Vale, while League One losers Yeovil are at Huddersfield.
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Opening weekend fixtures - Saturday 11 August
Cheltenham v Gillingham
Crewe v Brighton
Doncaster v Millwall
Huddersfield v Yeovil
Luton v Hartlepool
Northampton v Swindon
Nottm Forest v Bournemouth
Oldham v Swansea
Port Vale v Bristol Rovers
Southend v Leyton Orient
Tranmere v Leeds
Walsall v Carlisle
Saturday 18 August
Bournemouth v Huddersfield
Brighton v Northampton
Bristol Rovers v Crewe
Carlisle v Oldham
Gillingham v Tranmere
Hartlepool v Doncaster
Leeds v Southend
Leyton Orient v Walsall
Millwall v Cheltenham
Swansea v Nottm Forest
Swindon v Luton
Yeovil v Port Vale