2021 Delray Beach Open – Singles

Reilly Opelka was the defending champion, but withdrew from the event.

Singles
2021 Delray Beach Open
Champion	Hubert Hurkacz
Runner-up	Sebastian Korda
Score	6–3, 6–3
Draw	28 (4 Q / 3 WC )
Seeds	8

Main article: 2021 Delray Beach Open

Hubert Hurkacz won the title, defeating Sebastian Korda in the final, 6–3, 6–3. Hurkacz did not face an opponent ranked inside the top 100 during his title run.

Seeds

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

1. Cristian Garín (second round)
2. John Isner (quarterfinals)
3. Adrian Mannarino (second round)
4. Hubert Hurkacz (champion)
5. Tommy Paul (second round)
6. Sam Querrey (second round)
7. Pablo Andújar (first round)
8. Frances Tiafoe (quarterfinals)

Draw

Key

• Q = Qualifier
• WC = Wild card
• LL = Lucky loser
• Alt = Alternate
• SE = Special exempt
• PR = Protected ranking
• ITF = ITF entry
• JE = Junior exempt
• w/o = Walkover
• r = Retired
• d = Defaulted
• SR = Special ranking

Finals

	Semifinals							Final
	Q	Christian Harrison	64	4
	4	Hubert Hurkacz	77	6
								4	Hubert Hurkacz	6	6
									Sebastian Korda	3	3
		Cameron Norrie	3	5
		Sebastian Korda	6	7

Top half

	First round							Second round							Quarterfinals							Semifinals
								1	C Garín	63	2
		TM Etcheverry	4	2				Q	C Harrison	77	6
	Q	C Harrison	6	6											Q	C Harrison	77	6
		G Mager	3	6	6											G Mager	62	4
	WC	R Harrison	6	1	4				G Mager	710	6
		M McDonald	3	4				6	S Querrey	68	1
	6	S Querrey	6	6																		Q	C Harrison	64	4
																						4	H Hurkacz	77	6
								4	H Hurkacz	6	6
		DE Galán	6	6					DE Galán	2	2
		A Martin	4	4											4	H Hurkacz	6	6
	WC	N Rubin	61	3											Q	R Quiroz	4	4
	Q	R Quiroz	77	6				Q	R Quiroz	6	6
		I Karlović	6	5	6				I Karlović	2	4
	7	P Andújar	3	7	4

Bottom half

	First round							Second round							Quarterfinals							Semifinals
	8	F Tiafoe	6	6
	Q	D Young	3	4				8	F Tiafoe	6	3	6
		B Fratangelo	6	6					B Fratangelo	4	6	1
	Q	K King	2	2											8	F Tiafoe	0	6	4
		C Norrie	6	6												C Norrie	6	3	6
	WC	JC Aragone	2	1					C Norrie	6	7
								3	A Mannarino	2	5
																							C Norrie	3	5
	5	T Paul	6	6																			S Korda	6	7
		J-s Nam	1	4				5	T Paul	6	3	2
		S-w Kwon	4	4					S Korda	4	6	6
		S Korda	6	6												S Korda	6	4	6
		T Bellucci	3	5											2	J Isner	3	6	3
		T Monteiro	6	7					T Monteiro	4	64
								2	J Isner	6	77

Qualifying

Seeds

1. Marcelo Tomás Barrios Vera (first round)
2. Viktor Galović (qualifying competition)
3. Gonçalo Oliveira (qualifying competition)
4. Pedro Sakamoto (first round)
5. Roberto Quiroz (qualified)
6. Alexander Ritschard (first round, retired)
7. Kevin King (qualified)
8. Johannes Härteis (first round, retired)

Qualifiers

1. Christian Harrison
2. Roberto Quiroz
3. Kevin King
4. Donald Young

Qualifying draw

First qualifier

	First round							Qualifying competition
	1	Marcelo Tomás Barrios Vera	4	4
	PR	Christian Harrison	6	6
								PR	Christian Harrison	6	69	77
								WC	Zane Khan	1	711	64
	WC	Zane Khan	6	3
	6	Alexander Ritschard	3	1r

Second qualifier

	First round							Qualifying competition
	2	Viktor Galović	6	6
		Aziz Dougaz	4	3
								2	Viktor Galović	3	5
								5	Roberto Quiroz	6	7
	Alt	Gonzalo Escobar	4	78	5
	5	Roberto Quiroz	6	66	7

Third qualifier

	First round							Qualifying competition
	3	Gonçalo Oliveira	3	6	6
	WC	Liam Draxl	6	3	2
								3	Gonçalo Oliveira	3	3
								7	Kevin King	6	6
	Alt	Benjamin Lock	2	3
	7	Kevin King	6	6

Fourth qualifier

	First round							Qualifying competition
	4	Pedro Sakamoto	6	4	2
		Donald Young	3	6	6
									Donald Young	4	6	6
									Stefan Kozlov	6	4	4
		Stefan Kozlov	5
	8	Johannes Härteis	0r

External links

• Main draw
• Qualifying draw