2021 Stockholm Open – Singles

Singles
2021 Stockholm Open
Champion	Tommy Paul
Runner-up	Denis Shapovalov
Score	6–4, 2–6, 6–4
Draw	28
Seeds	8

Main article: 2021 Stockholm Open

Tommy Paul defeated the defending champion, Denis Shapovalov, in the final, 6–4, 2–6, 6–4, to win the singles title at the 2021 Stockholm Open. This was Paul's first ATP Tour title.

Seeds

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

1. Jannik Sinner (second round)
2. Félix Auger-Aliassime (semifinals)
3. Denis Shapovalov (final)
4. Dan Evans (quarterfinals)
5. Taylor Fritz (second round)
6. Alexander Bublik (first round, retired)
7. Márton Fucsovics (second round)
8. Frances Tiafoe (semifinals)

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
		Tommy Paul	5	77	6
	8	Frances Tiafoe	7	65	4
									Tommy Paul	6	2	6
								3	Denis Shapovalov	4	6	4
	3	Denis Shapovalov	6	7
	2	Félix Auger-Aliassime	4	5

Top half

	First round							Second round							Quarterfinals							Semifinals
								1	J Sinner	64	3
	WC	A Murray	6	79				WC	A Murray	77	6
	Q	V Durasovic	1	67											WC	A Murray	2	6	3
	WC	L Borg	4	2												T Paul	6	3	6
		T Paul	6	6					T Paul	6	6
	LL	E Gerasimov	4	4				5	T Fritz	4	4
	5	T Fritz	6	6																			T Paul	5	77	6
																						8	F Tiafoe	7	65	4
								4	D Evans	77	6
		A Davidovich Fokina	6	3	7				A Davidovich Fokina	65	2
		M McDonald	2	6	5										4	D Evans	6	1	1
		P Martínez	6	3	77										8	F Tiafoe	1	6	6
		E Ruusuvuori	4	6	64				P Martínez	4	4
	WC	E Ymer	4	62				8	F Tiafoe	6	6
	8	F Tiafoe	6	77

Bottom half

	First round							Second round							Quarterfinals							Semifinals
	6	A Bublik	1	0r
		A Rinderknech	6	2					A Rinderknech	6	6
		P Gojowczyk	77	4	5			LL	J Kovalík	4	1
	LL	J Kovalík	65	6	7											A Rinderknech	6	3	5
	Q	A Vavassori	6	6											3	D Shapovalov	4	6	7
	Q	P Kotov	3	4				Q	A Vavassori	61	1
								3	D Shapovalov	77	6
																						3	D Shapovalov	6	7
	7	M Fucsovics	6	6																		2	F Auger-Aliassime	4	5
		A Mannarino	4	0				7	M Fucsovics	63	6	5
		B van de Zandschulp	77	77					B van de Zandschulp	77	3	7
	LL	N Serdarušić	65	65												B van de Zandschulp	4	3
	Q	D Istomin	4	2											2	F Auger-Aliassime	6	6
		F Krajinović	6	6					F Krajinović	3	4
								2	F Auger-Aliassime	6	6

Qualifying

Seeds

1. Egor Gerasimov (qualifying competition, Lucky loser)
2. Jozef Kovalík (qualifying competition, Lucky loser)
3. Nikola Milojević (first round)
4. Mohamed Safwat (first round)
5. Nino Serdarušić (qualifying competition, Lucky loser)
6. Denis Istomin (qualified)
7. Teymuraz Gabashvili (first round)
8. Pavel Kotov (qualified)

Qualifiers

1. Pavel Kotov
2. Denis Istomin
3. Andrea Vavassori
4. Viktor Durasovic

Lucky losers

1. Egor Gerasimov
2. Jozef Kovalík
3. Nino Serdarušić

Qualifying draw

First qualifier

	First round							Qualifying competition
	1	Egor Gerasimov	3	6	7
		Matteo Martineau	6	4	5
								1	Egor Gerasimov	64	3
								8	Pavel Kotov	77	6
		Raúl Brancaccio	4	4
	8	Pavel Kotov	6	6

Second qualifier

	First round							Qualifying competition
	2	Jozef Kovalík	77	78
		Danilo Petrović	62	66
								2	Jozef Kovalík	4	5
								6	Denis Istomin	6	7
	WC	Jonathan Mridha	6	3	4
	6	Denis Istomin	2	6	6

Third qualifier

	First round							Qualifying competition
	3	Nikola Milojević	77	4	67
		Andrea Vavassori	64	6	79
									Andrea Vavassori	3	6	6
								5	Nino Serdarušić	6	3	4
	WC	Simon Freund	1	77	3
	5	Nino Serdarušić	6	61	6

Fourth qualifier

	First round							Qualifying competition
	4	Mohamed Safwat	4	64
		Adrián Menéndez Maceiras	6	77
									Adrián Menéndez Maceiras	3	2
									Viktor Durasovic	6	6
		Viktor Durasovic	6	3	6
	7	Teymuraz Gabashvili	4	6	3

References

• Main draw
• Qualifying draw