Singles
2021 Tampere Open
Champion	Jiří Lehečka
Runner-up	Nicolás Kicker
Score	5–7, 6–4, 6–3

Mikael Ymer was the defending champion^[1] but chose not to defend his title.

Jiří Lehečka won the title after defeating Nicolás Kicker 5–7, 6–4, 6–3 in the final.

Seeds

Draw

Finals

	Semifinals							Final
	1	Botic van de Zandschulp	3	6	3
	Q	Nicolás Kicker	6	3	6
								Q	Nicolás Kicker	7	4	3
									Jiří Lehečka	5	6	6
		Jiří Lehečka	6	6
	LL	Kyrian Jacquet	3	0

Top half

	First round							Second round							Quarterfinals							Semifinals
	1	B van de Zandschulp	4	6	6
		R Bonadio	6	2	2			1	B van de Zandschulp	6	6
		JC Aragone	4	4					P Krstin	3	1
		P Krstin	6	6											1	B van de Zandschulp	6	77
		A Arnaboldi	6	6											5	D Popko	4	60
		F Meligeni Alves	1	4					A Arnaboldi	4	3
	Alt	O Luz	65	5				5	D Popko	6	6
	5	D Popko	77	7																		1	B van de Zandschulp	3	6	3
	4/SE	M Vilella Martínez	4	77	7																	Q	N Kicker	6	3	6
		J Domingues	6	65	5			4/SE	M Vilella Martínez	7	6
	Q	B Bobrov	1	5					P Cachin	5	4
		P Cachin	6	7											4/SE	M Vilella Martínez	66	0
	Q	N Kicker	6	6											Q	N Kicker	78	6
	WC	Leo Borg	3	0				Q	N Kicker	6	3	6
	WC	P Niklas-Salminen	2	1				7	A Müller	4	6	2
	7	A Müller	6	6

Bottom half

	First round							Second round							Quarterfinals							Semifinals
	8	G Andreozzi	6	6
		M Moraing	4	1				8	G Andreozzi	2	4
	Q	A Cazaux	6	65	2			WC	O Virtanen	6	6
	WC	O Virtanen	3	77	6										WC	O Virtanen	4	1
		N Jarry	63	6	6											J Lehečka	6	6
	Alt	J Forejtek	77	3	3				N Jarry	4	4
		J Lehečka	6	6					J Lehečka	6	6
	3	A Hoang	1	4																			J Lehečka	6	6
	6	K Coppejans	6	3	66																	LL	K Jacquet	3	0
		D Kuzmanov	1	6	78				D Kuzmanov	6	4	65
	LL	K Jacquet	2	6	3			LL	K Jacquet	3	6	77
		G Oliveira	6	1	0r										LL	K Jacquet	6	6
	Q	G Blancaneaux	6	7											Q	G Blancaneaux	3	3
		F Mena	4	5				Q	G Blancaneaux	6	4	6
		G Elias	4	6	5			LL	A Erler	3	6	2
	LL	A Erler	6	3	7

References

External links

• Main draw
• Qualifying draw