2021 J&T Banka Ostrava Open – Singles

Aryna Sabalenka was the defending champion, but she chose not to compete this year.

Singles
2021 J&T Banka Ostrava Open
Champion	Anett Kontaveit
Runner-up	Maria Sakkari
Score	6–2, 7–5
Draw	28
Seeds	8

Main article: 2021 J&T Banka Ostrava Open

Anett Kontaveit won her maiden WTA 500 title without dropping a set, defeating Maria Sakkari in the final, 6–2, 7–5.

Seeds

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

1. Iga Świątek (semifinals)
2. Petra Kvitová (semifinals)
3. Belinda Bencic (quarterfinals)
4. Maria Sakkari (final)
5. Anastasia Pavlyuchenkova (second round)
6. Angelique Kerber (first round)
7. Elena Rybakina (quarterfinals)
8. Karolína Muchová (withdrew)
9. Paula Badosa (second 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
	1	Iga Świątek	4	5
	4	Maria Sakkari	6	7
								4	Maria Sakkari	2	5
									Anett Kontaveit	6	7
		Anett Kontaveit	6	6
	2	Petra Kvitová	0	4

Top half

	First round							Second round							Quarterfinals							Semifinals
								1	I Świątek	6	6
		S Zhang	7	67	4				Y Putintseva	4	4
		Y Putintseva	5	79	6										1	I Świątek	77	6
	Q	O Dodin	2	63											7	E Rybakina	65	2
	Q	M Linette	6	77				Q	M Linette	3	6	1
		V Kudermetova	1	3				7	E Rybakina	6	2	6
	7	E Rybakina	6	6																		1	I Świątek	4	5
																						4	M Sakkari	6	7
								4	M Sakkari	6	6
	LL	A Blinkova	4	0				WC	J Ostapenko	4	2
	WC	J Ostapenko	6	6											4	M Sakkari	7	6
	WC	T Martincová	5	6	79										WC	T Martincová	5	3
	WC	K Siniaková	7	4	67			WC	T Martincová	77	78
	Q	A Konjuh	63	1				5	A Pavlyuchenkova	65	66
	5	A Pavlyuchenkova	77	6

Bottom half

	First round							Second round							Quarterfinals							Semifinals
	9	P Badosa	6	6
	LL	V Gracheva	2	2				9	P Badosa	3	4
		S Cîrstea	4	4					A Kontaveit	6	6
		A Kontaveit	6	6												A Kontaveit	6	6
	Q	A Zakharova	3	3											3	B Bencic	4	3
		S Sorribes Tormo	6	6					S Sorribes Tormo	2	3
								3	B Bencic	6	6
																							A Kontaveit	6	6
	6	A Kerber	2	3																		2	P Kvitová	0	4
		J Teichmann	6	6					J Teichmann	6	1	6
		A Riske	6	1	6				A Riske	3	6	4
	Q	F Ferro	4	6	4											J Teichmann	4	4
	WC	C Garcia	2	66											2	P Kvitová	6	6
	Q	A Potapova	6	78				Q	A Potapova	1	77	3
								2	P Kvitová	6	64	6

Qualifying

Seeds

1. Ekaterina Alexandrova (qualifying competition, retired)
2. Magda Linette (qualified)
3. Varvara Gracheva (qualifying competition, lucky loser)
4. Rebecca Peterson (first round)
5. Ana Konjuh (qualified)
6. Fiona Ferro (qualified)
7. Anastasia Potapova (qualified)
8. Bernarda Pera (qualifying competition)
9. Océane Dodin (qualified)
10. Anna Blinkova (qualifying competition, lucky loser)
11. Misaki Doi (first round)
12. Astra Sharma (qualifying competition)

Qualifiers

1. Anastasia Potapova
2. Magda Linette
3. Océane Dodin
4. Anastasia Zakharova
5. Ana Konjuh
6. Fiona Ferro

Lucky losers

1. Anna Blinkova
2. Varvara Gracheva

Qualifying draw

First qualifier

	First round							Qualifying competition
	1	Ekaterina Alexandrova	6	6
	WC	Julia Lohoff	0	4
								1	Ekaterina Alexandrova	5	1r
								7	Anastasia Potapova	7	3
		Stefanie Vögele	6	2	2
	7	Anastasia Potapova	3	6	6

Second qualifier

	First round							Qualifying competition
	2	Magda Linette	6	6
		Rutuja Bhosale	0	1
								2	Magda Linette	6	6
									Katarzyna Kawa	1	2
		Katarzyna Kawa	6	6
	11	Misaki Doi	2	4

Third qualifier

	First round							Qualifying competition
	3	Varvara Gracheva	77	6
		Anna Danilina	63	4
								3	Varvara Gracheva	77	1	4
								9	Océane Dodin	64	6	6
		Anna-Lena Friedsam	63	65
	9	Océane Dodin	77	77

Fourth qualifier

	First round							Qualifying competition
	4	Rebecca Peterson	67	6	2
		Anastasia Zakharova	79	2	6
									Anastasia Zakharova	6	6
								12	Astra Sharma	4	3
	WC	Antonia Ružić	4	1
	12	Astra Sharma	6	6

Fifth qualifier

	First round							Qualifying competition
	5	Ana Konjuh	6	6
	WC	Radka Zelníčková	4	1
								5	Ana Konjuh	77	6
								8	Bernarda Pera	64	3
		Katarzyna Piter	0	1
	8	Bernarda Pera	6	6

Sixth qualifier

	First round							Qualifying competition
	6	Fiona Ferro	3	77	6
	WC	Oksana Kalashnikova	6	63	1
								6	Fiona Ferro	6	6
								10	Anna Blinkova	1	1
	WC	Rosalie van der Hoek	0	2
	10	Anna Blinkova	6	6

External links

• Main draw
• Qualifying draw