2021 Dubai Tennis Championships – Men's singles

Aslan Karatsev defeated Lloyd Harris in the final, 6–3, 6–2 to win the men's singles tennis title at the 2021 Dubai Tennis Championships. It was his first ATP Tour singles title. Karatsev was the second wildcard in the tournament's history to win the men's singles title.

Men's singles
2021 Dubai Tennis Championships
Champion	Aslan Karatsev
Runner-up	Lloyd Harris
Score	6–3, 6–2
Draw	48 (6 Q / 4 WC )
Seeds	16

Main article: 2021 Dubai Tennis Championships

Novak Djokovic was the reigning champion, but chose not to participate this year.^[1]

Seeds

All seeds receive a bye into the second round.

1. Dominic Thiem (second round)
2. Andrey Rublev (semifinals)
3. Denis Shapovalov (semifinals)
4. Roberto Bautista Agut (third round)
5. David Goffin (second round)
6. Pablo Carreño Busta (second round)
7. Stan Wawrinka (withdrew)
8. Karen Khachanov (third round)
9. Alex de Minaur (second round)
10. Borna Ćorić (withdrew)
11. Dušan Lajović (third round)
12. Dan Evans (second round)
13. Hubert Hurkacz (third round)
14. Filip Krajinović (third round)
15. Taylor Fritz (third round)
16. Jannik Sinner (quarterfinals)
17. Lorenzo Sonego (third 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.

Draw

Key

• Q = Qualifier
• WC = Wild card
• LL = Lucky loser
• Alt = Alternate
• ITF = ITF entry
• PR = Protected ranking
• SR = Special ranking
• SE = Special exempt
• JE = Junior exempt
• JR = Junior Accelerator Programme entrant
• CO = College Accelerator Programme entrant
• NG = Next Gen Accelerator Program entrant
• w/o = Walkover
• r = Retired
• d = Defaulted

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

Qualifying

Seeds

1. Radu Albot (qualifying competition, lucky loser)
2. Lloyd Harris (qualified)
3. Emil Ruusuvuori (qualified)
4. Mikhail Kukushkin (qualified)
5. Christopher O'Connell (qualified)
6. Evgeny Donskoy (first round)
7. Prajnesh Gunneswaran (first round)
8. Marc Polmans (first round)
9. Bernabé Zapata Miralles (qualified)
10. Lorenzo Giustino (qualifying competition, lucky loser)
11. Blaž Rola (qualifying competition)
12. Thomas Fabbiano (qualifying competition)

Qualifiers

1. Bernabé Zapata Miralles
2. Lloyd Harris
3. Emil Ruusuvuori
4. Mikhail Kukushkin
5. Christopher O'Connell
6. Yuki Bhambri

Lucky losers

1. Radu Albot
2. Lorenzo Giustino

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