2021 Dubai Tennis Championships – Men's singles

All seeds receive a bye into the second round.

The players who also received a bye into the second round were as follows, each semifinalist from Doha or Marseille:

• Nikoloz Basilashvili
• Matthew Ebden

The other six byes were removed, and six players were added to the main draw.

Key

Finals

	Quarterfinals							Semifinals							Final
	Q	Lloyd Harris	6	3	6
		Kei Nishikori	1	6	3
								Q	Lloyd Harris	65	6	78
								3	Denis Shapovalov	77	4	66
	3	Denis Shapovalov	7	6
		Jérémy Chardy	5	4
															Q	Lloyd Harris	3	2
															WC	Aslan Karatsev	6	6
	WC	Aslan Karatsev	65	6	6
	16	Jannik Sinner	77	3	2
								WC	Aslan Karatsev	6	4	6
								2	Andrey Rublev	2	6	4
		Márton Fucsovics	5	2
	2	Andrey Rublev	7	6

Top half

Section 1

	First round							Second round							Third round							Quarterfinals
								1	D Thiem	3	4
	Q	C O'Connell	77	4	1			Q	L Harris	6	6
	Q	L Harris	65	6	6										Q	L Harris	77	6
		A Davidovich Fokina	6	6											14	F Krajinović	65	4
	LL	R Albot	4	4					A Davidovich Fokina	5	4
								14	F Krajinović	7	6
																						Q	L Harris	6	3	6
																							K Nishikori	1	6	3
								LL	L Giustino	4	3
	Q	Y Bhambri	6	1	4				A Bedene	6	6
		A Bedene	3	6	6											A Bedene	4	4
		K Nishikori	3	6	6											K Nishikori	6	6
		R Opelka	6	3	4				K Nishikori	6	77
								5	D Goffin	3	63

Section 2

	First round							Second round							Third round							Quarterfinals
								3	D Shapovalov	6	6
		J-L Struff	6	6					J-L Struff	1	3
	Q	M Kukushkin	3	2											3	D Shapovalov	6	6
		R Gasquet	6	6											13	H Hurkacz	4	3
		M Cecchinato	4	2					R Gasquet	3	4
								13	H Hurkacz	6	6
																						3	D Shapovalov	7	6
																							J Chardy	5	4
								9	A de Minaur	6	3	4
		J Chardy	6	3	6				J Chardy	2	6	6
		A Ramos Viñolas	3	6	4											J Chardy	63	6	6
	WC	A Popyrin	77	7											8	K Khachanov	77	4	4
	WC	D Novak	63	5				WC	A Popyrin	4	6	64
								8	K Khachanov	6	3	77

Bottom half

Section 3

	First round							Second round							Third round							Quarterfinals
								17	L Sonego	6	6
	Q	B Zapata Miralles	6	6				Q	B Zapata Miralles	2	2
		J Millman	4	4											17	L Sonego	6	3	4
	WC	A Karatsev	6	6											WC	A Karatsev	3	6	6
		E Gerasimov	4	4				WC	A Karatsev	6	4	6
								12	D Evans	4	6	4
																						WC	A Karatsev	65	6	6
																						16	J Sinner	77	3	2
								16	J Sinner	2	77	6
		Y Nishioka	4	64					A Bublik	6	62	4
		A Bublik	6	77											16	J Sinner	6	3	7
															4	R Bautista Agut	4	6	5
								SE	M Ebden	1r
								4	R Bautista Agut	4

Section 4

	First round							Second round							Third round							Quarterfinals
								6	P Carreño Busta	77	3	2
		V Pospisil	6	5	4				M Fucsovics	65	6	6
		M Fucsovics	2	7	6											M Fucsovics	6	4	6
	WC	M Jaziri	3												11	D Lajović	1	6	4
		J-W Tsonga	3r					WC	M Jaziri	5	2
								11	D Lajović	7	6
																							M Fucsovics	5	2
																						2	A Rublev	7	6
								15	T Fritz	4	6	77
									N Basilashvili	6	3	64
															15	T Fritz	3	1
	Q	E Ruusuvuori	6	77											2	A Rublev	6	6
		J Thompson	3	65				Q	E Ruusuvuori	4	4
								2	A Rublev	6	6

Seeds

Qualifiers

Lucky losers

Qualifying draw

First qualifier

	First round							Qualifying competition
	1	Radu Albot	3	6	6
		Lukáš Lacko	6	4	4
								1	Radu Albot	6	5	4
								9	Bernabé Zapata Miralles	2	7	6
	WC	Omar Alawadhi	0	0
	9	Bernabé Zapata Miralles	6	6

Second qualifier

	First round							Qualifying competition
	2	Lloyd Harris	6	6
		Teymuraz Gabashvili	1	2
								2	Lloyd Harris	6	6
								11	Blaž Rola	2	4
		Dmitry Popko	3	6	612
	11	Blaž Rola	6	4	714

Third qualifier

	First round							Qualifying competition
	3	Emil Ruusuvuori	77	4	6
	WC	Dimitar Kuzmanov	64	6	1
								3	Emil Ruusuvuori	6	6
									Viktor Troicki	2	2
		Viktor Troicki	7	6
	8	Marc Polmans	5	0

Fourth qualifier

	First round							Qualifying competition
	4	Mikhail Kukushkin	7	3	6
		Maxime Janvier	5	6	1
								4	Mikhail Kukushkin	6	6
								10	Lorenzo Giustino	2	2
	Alt	Andrea Vavassori	3	3
	10	Lorenzo Giustino	6	6

Fifth qualifier

	First round							Qualifying competition
	5	Christopher O'Connell	6	6
		Cem İlkel	3	4
								5	Christopher O'Connell	6	6
								12	Thomas Fabbiano	2	4
	WC	Abdulrahman Al Janahi	1	2
	12	Thomas Fabbiano	6	6

Sixth qualifier

	First round							Qualifying competition
	6	Evgeny Donskoy	4	4
		Ramkumar Ramanathan	6	6
									Ramkumar Ramanathan	5	7	2
								PR	Yuki Bhambri	7	5	6
	PR	Yuki Bhambri	6	6
	7	Prajnesh Gunneswaran	1	4

• Main draw
• Qualifying draw