2021 TK Sparta Prague Open – Singles

Adam Pavlásek was the defending champion but chose not to defend his title.

Singles
2021 TK Sparta Prague Open
Champion	Dalibor Svrčina
Runner-up	Dmitry Popko
Score	6–0, 7–5

Dalibor Svrčina won the title after defeating Dmitry Popko 6–0, 7–5 in the final.

Seeds

1. Nikola Milojević (quarterfinals)
2. Dmitry Popko (final)
3. Lorenzo Giustino (second round)
4. Facundo Mena (semifinals)
5. Nicolás Jarry (first round)
6. Riccardo Bonadio (quarterfinals)
7. Adrián Menéndez Maceiras (second round)
8. Michael Vrbenský (first round)

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
		Jonáš Forejtek	5	4
	WC	Dalibor Svrčina	7	6
								WC	Dalibor Svrčina	6	7
								2	Dmitry Popko	0	5
	4	Facundo Mena	1	2
	2	Dmitry Popko	6	6

Top half

	First round							Second round							Quarterfinals							Semifinals
	1	N Milojević	62	6	6
		A Arnaboldi	77	0	1			1	N Milojević	3	6	3
	Q	G Blancaneaux	6	6				Q	G Blancaneaux	6	3	1r
		A Ritschard	1	3											1	N Milojević	4	3
		FC Jianu	6	6												J Forejtek	6	6
		JC Aragone	0	2					FC Jianu	2	6	1
		J Forejtek	4	6	6				J Forejtek	6	4	6
	5	N Jarry	6	4	2																		J Forejtek	5	4
	3	L Giustino	77	6																		WC	D Svrčina	7	6
		E Karlovskiy	64	2				3	L Giustino	64	6	3
		E Furness	4	6	6				E Furness	77	4	6
	WC	Martin Krumich	6	4	3											E Furness	5	7	4
		T Skatov	3	2											WC	D Svrčina	7	5	6
	WC	D Svrčina	6	6				WC	D Svrčina	65	6	6
		F Baldi	3	62				7	A Menéndez Maceiras	77	1	4
	7	A Menéndez Maceiras	6	77

Bottom half

	First round							Second round							Quarterfinals							Semifinals
	8	M Vrbenský	4	2
		E Tiurnev	6	6					E Tiurnev	3	4
		C Ugo Carabelli	1	6	6				C Ugo Carabelli	6	6
	Q	F Agamenone	6	4	4											C Ugo Carabelli	3	78	1
	Q	A Andreev	3	3											4	F Mena	6	66	6
		N Serdarušić	6	6					N Serdarušić	2	4
		L Miedler	2	5				4	F Mena	6	6
	4	F Mena	6	7																		4	F Mena	1	2
	6	R Bonadio	6	2	6																	2	D Popko	6	6
		M Zverev	3	6	3			6	R Bonadio	6	6
	PR	G Melzer	6	2	1			Q	E Nava	4	3
	Q	E Nava	3	6	6										6	R Bonadio	3	2
	WC	T Kodat	3	1											2	D Popko	6	6
		G Oliveira	6	6					G Oliveira	0	3
		A Vatutin	5	1				2	D Popko	6	6
	2	D Popko	7	6

External links

• Main draw
• Qualifying draw