Singles
2021 Reinert Open
Final
Champion	Elina Avanesyan
Runner-up	Federica Di Sarra
Score	6–7(4–7), 6–2, 6–2
Events
Singles Doubles
← 2019 · Reinert Open · 2022 →

Nina Stojanović was the defending champion^[1] but chose to compete at the 2020 Summer Olympics instead.

Lucky loser Elina Avanesyan won the title, defeating Federica Di Sarra in the final, 6–7^(4–7), 6–2, 6–2.

	Semifinals							Final
	LL	Elina Avanesyan	7	78
		Mirjam Björklund	5	66
								LL	Elina Avanesyan	64	6	6
									Federica Di Sarra	77	2	2
		Federica Di Sarra	3	6	6
	Q	Cristiana Ferrando	6	4	3

	First round							Second round							Quarterfinals							Semifinals
	1	T Korpatsch	6	6
	Q	A Hartono	4	3				1	T Korpatsch	6	63	0
		K Stewart	64	4				LL	E Avanesyan	4	77	6
	LL	E Avanesyan	77	6											LL	E Avanesyan	7	4	6
		S Mendez	1	6	1											A Danilina	5	6	3
		A Danilina	6	4	6				A Danilina	64	6	6
	PR	K Hobgarski	4	6	6			PR	K Hobgarski	77	3	2
	6	A Parks	6	4	2																	LL	E Avanesyan	7	78
	3	J Grabher	6	3																			M Björklund	5	66
	Q	E Makarova	0	1r				3	J Grabher	2	67
		M Di Giuseppe	3	6	1			Q	K Bartone	6	77
	Q	K Bartone	6	4	6										Q	K Bartone	4	1
	Q	F Arcidiacono	3	6	3											M Björklund	6	6
		M Caregaro	6	3	6				M Caregaro	1	1
		M Björklund	6	6					M Björklund	6	6
	5	K Gerlach	4	2

	First round							Second round							Quarterfinals							Semifinals
	8	M Benoît	4	2
	Q	J Bouzas Maneiro	6	6				Q	J Bouzas Maneiro	6	2	3
	PR	J Fourlis	6	4	7			PR	J Fourlis	1	6	6
	Q	E Halbauer	3	6	5										PR	J Fourlis	3	4
		F Di Sarra	6	6												F Di Sarra	6	6
	WC	N Noha Akugue	1	1					F Di Sarra	6	6
	Q	A Klasen	6	65	6			Q	A Klasen	4	4
	4	D Seguel	3	77	4																		F Di Sarra	3	6	6
	7	R Hogenkamp	6	77																		Q	C Ferrando	6	4	3
	WC	Jo Steur	4	62				7	R Hogenkamp	61	2
	PR	A Zaja	6	3	6			PR	A Zaja	77	6
		S Shapatava	1	6	1										PR	A Zaja	1	3
	Q	C Ferrando	6	6											Q	C Ferrando	6	6
	WC	N Rivkin	1	3				Q	C Ferrando	6	6
	WC	N Schunk	3	2				2	L Arruabarrena	1	2
	2	L Arruabarrena	6	6

• Main Draw