Template:2021 Ulster Senior Football Championship bracket

	Preliminary round					Quarter-finals					Semi-finals					Final
						Armagh		4-15
						Antrim		0-14
											Armagh		2-21
											Monaghan		4-17
						Monaghan		1-21
						Fermanagh		0-14
																Monaghan		0-15
																Tyrone		0-16
						Tyrone		1-18
						Cavan		0-13
											Tyrone		0-23
											Donegal		1-14
						Derry		0-15
	Down		1-12			Donegal		0-16
	Donegal		2-25