2021 Zavarovalnica Sava Portorož

2021 Zavarovalnica Sava Portorož
2021 Zavarovalnica Sava Portorož
Date	13–19 September
Edition	7th
Category	WTA 250
Draw	32S / 24Q / 16D
Prize money	$235,238
Surface	Hard
Location	Portorož, Slovenia
Champions
Singles
	Jasmine Paolini
Doubles
	Anna Kalinskaya / Tereza Mihalíková

The 2021 WTA Slovenia Open (also known as the Zavarovalnica Sava Portorož for sponsorship purposes) was a WTA 250 tournament played on outdoor hard courts. It was the 7th edition of the Slovenia Open, last held in 2010. It was primarily organised due to the cancellation of the Asian tournaments during the 2021 season because of the ongoing COVID-19 pandemic. The 2021 event took place at the Tennis Club Portorož in Portorož, Slovenia from 13 to 19 September 2021.^[1]

Champions

Singles

Jasmine Paolini def. Alison Riske, 7–6^(7–4), 6–2

This was Paolini's maiden WTA Tour singles title.

Doubles

Anna Kalinskaya / Tereza Mihalíková def. Aleksandra Krunić / Lesley Pattinama Kerkhove, 4–6, 6–2, [12–10]

Singles main-draw entrants

Seeds

Country	Player	Rank¹	Seed
CRO	Petra Martić	32	1
KAZ	Yulia Putintseva	33	2
USA	Alison Riske	35	3
ROU	Sorana Cîrstea	39	4
SLO	Tamara Zidanšek	40	5
UKR	Dayana Yastremska	51	6
SWE	Rebecca Peterson	54	7
CRO	Donna Vekić	57	8

Rankings are as of August 30, 2021.^[2]^[3]

Other entrants

The following players received wildcards into the singles main draw:

The following players received entry from the qualifying draw:

Withdrawals

Before the tournament

Paula Badosa → replaced by Sara Errani
Anna Blinkova → replaced by Jaqueline Cristian
Caroline Garcia → replaced by Kristína Kučová
Polona Hercog → replaced by Kaja Juvan
Daria Kasatkina → replaced by Ana Konjuh
Elena-Gabriela Ruse → replaced by Anna Kalinskaya
Sara Sorribes Tormo → replaced by Jasmine Paolini

Doubles main-draw entrants

Seeds

Country	Player	Country	Player	Rank¹	Seed
SLO	Andreja Klepač	SLO	Tamara Zidanšek	101	1
SRB	Aleksandra Krunić	NED	Lesley Pattinama Kerkhove	144	2
KAZ	Anna Danilina	HUN	Fanny Stollár	198	3
POL	Katarzyna Piter	GBR	Heather Watson	231	4