2021 Zavarovalnica Sava Portorož – Doubles

{{Tennis events|2021|Zavarovalnica Sava Portorož|s

| champ = {{flagicon|RUS}} Anna Kalinskaya
{{flagicon|SVK}} Tereza Mihalíková

| runner = {{flagicon|SRB}} Aleksandra Krunić
{{flagicon|NED}} Lesley Pattinama Kerkhove

| score = 4–6, 6–2, [12–10]

| type = singles doubles

| before_name = Banka Koper Slovenia Open – Doubles

| after_name = Zavarovalnica Sava Portorož – Doubles

| main_name = WTA Slovenia Open

| before_year = 2010

}}

Maria Kondratieva and Vladimíra Uhlířová were the champions from the previous edition in 2010, but both players retired from professional tennis in 2016.

Anna Kalinskaya and Tereza Mihalíková won the title, defeating Aleksandra Krunić and Lesley Pattinama Kerkhove in the final, 4–6, 6–2, [12–10].{{cite web|url=https://www.wtatennis.com/news/2262999/paolini-charges-past-riske-to-win-first-wta-singles-title-in-portoroz|title=Paolini charges past Riske to win first WTA singles title in Portoroz|publisher=Women's Tennis Association|accessdate=22 November 2024}}

Seeds

{{columns-list|colwidth=30em|

{{flagicon|SLO}} Andreja Klepač / {{flagicon|SLO}} Tamara Zidanšek (semifinals)
{{flagicon|SRB}} Aleksandra Krunić / {{flagicon|NED}} Lesley Pattinama Kerkhove (final)
{{flagicon|KAZ}} Anna Danilina / {{flagicon|HUN}} Fanny Stollár (quarterfinals)
{{flagicon|POL}} Katarzyna Piter / {{flagicon|GBR}} Heather Watson (first round)

}}

Draw

=Draw=

{{16TeamBracket-Compact-Tennis3

| RD1=First round

| RD2=Quarterfinals

| RD3=Semifinals

| RD4=Final

| RD1-seed01=1

| RD1-team01={{flagicon|SLO}} A Klepač
{{flagicon|SLO}} T Zidanšek

| RD1-score01-1=4

| RD1-score01-2=6

| RD1-score01-3=[10]

| RD1-seed02=

| RD1-team02={{flagicon|RUS}} N Dzalamidze
{{flagicon|SLO}} K Juvan

| RD1-score02-1=6

| RD1-score02-2=2

| RD1-score02-3=[8]

| RD1-seed03=

| RD1-team03={{flagicon|FRA}} E Cascino
{{flagicon|ITA}} C Rosatello

| RD1-score03-1=6²

| RD1-score03-2=2

| RD1-score03-3=

| RD1-seed04=

| RD1-team04={{flagicon|SUI}} S Bandecchi
{{flagicon|ITA}} L Stefanini

| RD1-score04-1=7⁷

| RD1-score04-2=6

| RD1-score04-3=

| RD1-seed05=4

| RD1-team05={{flagicon|POL}} K Piter
{{flagicon|GBR}} H Watson

| RD1-score05-1=5

| RD1-score05-2=3

| RD1-score05-3=

| RD1-seed06=

| RD1-team06={{flagicon|USA}} E Bektas
{{flagicon|GBR}} T Moore

| RD1-score06-1=7

| RD1-score06-2=6

| RD1-score06-3=

| RD1-seed07=WC

| RD1-team07={{flagicon|SLO}} Ž Falkner
{{flagicon|SLO}} P Lovrič

| RD1-score07-1=1

| RD1-score07-2=2

| RD1-score07-3=

| RD1-seed08=

| RD1-team08={{flagicon|RUS}} A Kalinskaya
{{flagicon|SVK}} T Mihalíková

| RD1-score08-1=6

| RD1-score08-2=6

| RD1-score08-3=

| RD1-seed09=

| RD1-team09={{flagicon|MNE}} D Kovinić
{{flagicon|CZE}} R Voráčová

| RD1-score09-1=6

| RD1-score09-2=5

| RD1-score09-3=[10]

| RD1-seed10=

| RD1-team10={{flagicon|RUS}} A Fomina-Klotz
{{flagicon|RUS}} E Yashina

| RD1-score10-1=3

| RD1-score10-2=7

| RD1-score10-3=[8]

| RD1-seed11=WC

| RD1-team11={{flagicon|SLO}} T Cvetkovič
{{flagicon|SLO}} EN Milić

| RD1-score11-1=1

| RD1-score11-2=0

| RD1-score11-3=

| RD1-seed12=3

| RD1-team12={{flagicon|KAZ}} A Danilina
{{flagicon|HUN}} F Stollár

| RD1-score12-1=6

| RD1-score12-2=6

| RD1-score12-3=

| RD1-seed13=

| RD1-team13={{flagicon|ITA}} L Bronzetti
{{flagicon|SLO}} N Radišić

| RD1-score13-1=6

| RD1-score13-2=6

| RD1-score13-3=

| RD1-seed14=

| RD1-team14={{flagicon|IND}} R Bhosale
{{flagicon|GBR}} E Webley-Smith

| RD1-score14-1=4

| RD1-score14-2=4

| RD1-score14-3=

| RD1-seed15=

| RD1-team15={{flagicon|GBR}} S Murray Sharan
{{flagicon|SUI}} C Perrin

| RD1-score15-1=1

| RD1-score15-2=1

| RD1-score15-3=

| RD1-seed16=2

| RD1-team16={{flagicon|SRB}} A Krunić
{{flagicon|NED}} L Pattinama Kerkhove

| RD1-score16-1=6

| RD1-score16-2=6

| RD1-score16-3=

| RD2-seed01=1

| RD2-team01={{flagicon|SLO}} A Klepač
{{flagicon|SLO}} T Zidanšek

| RD2-score01-1=7

| RD2-score01-2=6

| RD2-score01-3=

| RD2-seed02=

| RD2-team02={{flagicon|SUI}} S Bandecchi
{{flagicon|ITA}} L Stefanini

| RD2-score02-1=5

| RD2-score02-2=4

| RD2-score02-3=

| RD2-seed03=

| RD2-team03={{flagicon|USA}} E Bektas
{{flagicon|GBR}} T Moore

| RD2-score03-1=4

| RD2-score03-2=3

| RD2-score03-3=

| RD2-seed04=

| RD2-team04={{flagicon|RUS}} A Kalinskaya
{{flagicon|SVK}} T Mihalíková

| RD2-score04-1=6

| RD2-score04-2=6

| RD2-score04-3=

| RD2-seed05=

| RD2-team05={{flagicon|MNE}} D Kovinić
{{flagicon|CZE}} R Voráčová

| RD2-score05-1=6

| RD2-score05-2=7⁷

| RD2-score05-3=

| RD2-seed06=3

| RD2-team06={{flagicon|KAZ}} A Danilina
{{flagicon|HUN}} F Stollár

| RD2-score06-1=4

| RD2-score06-2=6³

| RD2-score06-3=

| RD2-seed07=

| RD2-team07={{flagicon|ITA}} L Bronzetti
{{flagicon|SLO}} N Radišić

| RD2-score07-1=4

| RD2-score07-2=4

| RD2-score07-3=

| RD2-seed08=2

| RD2-team08={{flagicon|SRB}} A Krunić
{{flagicon|NED}} L Pattinama Kerkhove

| RD2-score08-1=6

| RD2-score08-2=6

| RD2-score08-3=

| RD3-seed01=1

| RD3-team01={{flagicon|SLO}} A Klepač
{{flagicon|SLO}} T Zidanšek

| RD3-score01-1=4

| RD3-score01-2=6⁷

| RD3-score01-3=

| RD3-seed02=

| RD3-team02={{flagicon|RUS}} A Kalinskaya
{{flagicon|SVK}} T Mihalíková

| RD3-score02-1=6

| RD3-score02-2=7⁹

| RD3-score02-3=

| RD3-seed03=

| RD3-team03={{flagicon|MNE}} D Kovinić
{{flagicon|CZE}} R Voráčová

| RD3-score03-1=4

| RD3-score03-2=3

| RD3-score03-3=

| RD3-seed04=2

| RD3-team04={{flagicon|SRB}} A Krunić
{{flagicon|NED}} L Pattinama Kerkhove

| RD3-score04-1=6

| RD3-score04-2=6

| RD3-score04-3=

| RD4-seed01=

| RD4-team01={{flagicon|RUS}} A Kalinskaya
{{flagicon|SVK}} T Mihalíková

| RD4-score01-1=4

| RD4-score01-2=6

| RD4-score01-3=[12]

| RD4-seed02=2

| RD4-team02={{flagicon|SRB}} A Krunić
{{flagicon|NED}} L Pattinama Kerkhove

| RD4-score02-1=6

| RD4-score02-2=2

| RD4-score02-3=[10]

}}

References

[http://wtafiles.wtatennis.com/pdf/draws/2021/2044/MDD.pdf Main Draw]

Zavarovalnica Sava Portorož - Doubles