2021 European Open – Singles

Singles
2021 European Open
Champion	Jannik Sinner
Runner-up	Diego Schwartzman
Score	6–2, 6–2
Draw	28 (4 Q / 3 WC )
Seeds	8

Ugo Humbert was the defending champion, but chose not to participate this year.^[1]

Jannik Sinner won the title, defeating Diego Schwartzman in the final, 6–2, 6–2.

The top four seeds received a bye into the second round.

	Semifinals							Final
	1	Jannik Sinner	6	6
	7	Lloyd Harris	2	2
								1	Jannik Sinner	6	6
								2	Diego Schwartzman	2	2
	Q	Jenson Brooksby	4	0
	2	Diego Schwartzman	6	6

	First round							Second round							Quarterfinals							Semifinals
								1	J Sinner	7	6
		L Musetti	77	77					L Musetti	5	2
		G Mager	62	63											1	J Sinner	6	6
		F Delbonis	4	4												A Rinderknech	4	2
		A Rinderknech	6	6					A Rinderknech	6	4	6
	WC	R Gasquet	63	1				8	D Lajović	3	6	2
	8	D Lajović	77	6																		1	J Sinner	6	6
																						7	L Harris	2	2
								4	R Bautista Agut	77	3	1
	Q	D Novak	64	2					M Fucsovics	65	6	6
		M Fucsovics	77	6												M Fucsovics	2	5
		J-L Struff	6	3	6										7	L Harris	6	7
		A Ramos Viñolas	3	6	3				J-L Struff	2	3
	WC	Z Bergs	64	3				7	L Harris	6	6
	7	L Harris	77	6

	First round							Second round							Quarterfinals							Semifinals
	5	R Opelka	4	4
	Q	J Brooksby	6	6				Q	J Brooksby	6	6
		A Popyrin	4	6	0				B van de Zandschulp	2	0
		B van de Zandschulp	6	3	6										Q	J Brooksby	7	6
		A Davidovich Fokina	6	6												A Davidovich Fokina	5	0
		J Thompson	3	3					A Davidovich Fokina	4	6	6
								3	C Garín	6	3	3
																						Q	J Brooksby	4	0
	6	A de Minaur	4	0																		2	D Schwartzman	6	6
	Q	B Nakashima	6	6				Q	B Nakashima	77	65	6
	Q	H Laaksonen	4	6	6			Q	H Laaksonen	65	77	3
		B Paire	6	0	3										Q	B Nakashima	4	2
		F Tiafoe	62	79	68										2	D Schwartzman	6	6
	WC	A Murray	77	67	710			WC	A Murray	4	66
								2	D Schwartzman	6	78

	First round							Qualifying competition
	1	Jenson Brooksby	6	6
	WC	Michael Geerts	4	2
								1	Jenson Brooksby	6	6
								8	Norbert Gombos	4	2
		Bernabé Zapata Miralles	3	2
	8	Norbert Gombos	6	6

	First round							Qualifying competition
	2	Brandon Nakashima	6	2	6
		Fernando Verdasco	4	6	3
								2	Brandon Nakashima	6	6
								6/Alt	Pierre-Hugues Herbert	2	4
		Holger Rune	3	4
	6/Alt	Pierre-Hugues Herbert	6	6

	First round							Qualifying competition
	3	Roberto Carballés Baena	6	3	6
		Liam Broady	4	6	4
								3	Roberto Carballés Baena	5	1
								5	Henri Laaksonen	7	6
		Yannick Hanfmann	6	63	3
	5	Henri Laaksonen	0	77	6

	First round							Qualifying competition
	4	Andreas Seppi	6	7
	WC	Gauthier Onclin	4	5
								4	Andreas Seppi	69	6	66
								7	Dennis Novak	711	3	78
		Jozef Kovalík	0	1
	7	Dennis Novak	6	6

• Main draw
• Qualifying draw