title: 2021 Kozerki Open – Doubles
text: # 2021 Kozerki Open – Doubles
  
  Ania Hertel and Anastasiya Shoshyna were the defending champions but Shoshyna was unable to participate due to a doping suspension. Hertel partnered alongside Martyna Kubka, but lost in the semifinals to Bárbara Gatica and Rebeca Pereira.
  
  Gatica and Pereira went on to win the title, defeating Jang Su-jeong and Lee Ya-hsuan in the final, 6–3, 6–1.
  
  ## Seeds
  
  * Akgul Amanmuradova / Conny Perrin (semifinals)
  * Dalila Jakupović / Diāna Marcinkēviča (quarterfinals)
  * Amina Anshba / Anastasia Zakharova (first round)
  * Alicia Barnett / Olivia Nicholls (quarterfinals)
  
  ## 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
  
  ### Draw
  
  | First round | First round | First round | First round | First round | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Semifinals | Semifinals | Semifinals | Semifinals | Semifinals | Final | Final | Final |
  | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
  | 1 | A Amanmuradova C Perrin | $6^0$ | 6 | [10] | | | | | | | | | | | | | |
  | | H Kuwata Y Lizarazo | $7^7$ | 3 | [8] | 1 | A Amanmuradova C Perrin | 6 | 6 | | | | | | | | | |
  | | S Herrmann A Ramé | 1 | 4 | | | A Kubareva D Vismane | 4 | 3 | | | | | | | | | |
  | | A Kubareva D Vismane | 6 | 6 | | | | | | | 1 | A Amanmuradova C Perrin | 2 | 2 | | | | |
  | 4 | A Barnett O Nicholls | 6 | 6 | | | | | | | | S-j Jang Y-h Lee | 6 | 6 | | | | |
  | | I Burillo Escorihuela D Papamichail | 2 | 4 | | 4 | A Barnett O Nicholls | 2 | 6 | [7] | | | | | | | | |
  | | S-j Jang Y-h Lee | 6 | 4 | [14] | | S-j Jang Y-h Lee | 6 | 3 | [10] | | | | | | | | |
  | | N Hanatani A Prisăcariu | 3 | 6 | [12] | | | | | | | | | | | S-j Jang Y-h Lee | 3 | 1 |
  | | F Contreras AS Sánchez | 5 | 1 | | | | | | | | | | | | B Gatica R Pereira | 6 | 6 |
  | | A Hertel M Kubka | 7 | 6 | | | A Hertel M Kubka | $7^7$ | 1 | [10] | | | | | | | | |
  | WC | A Collins A Gámiz | 2 | 6 | [10] | WC | A Collins A Gámiz | $6^4$ | 6 | [7] | | | | | | | | |
  | 3 | A Anshba A Zakharova | 6 | 0 | [3] | | | | | | | A Hertel M Kubka | 6 | 2 | [7] | | | |
  | WC | W Baszak V Olianovskaia | 3 | 6 | [8] | | | | | | | B Gatica R Pereira | 3 | 6 | [10] | | | |
  | | B Gatica R Pereira | 6 | 4 | [10] | | B Gatica R Pereira | 6 | 6 | | | | | | | | | |
  | WC | WJ Foryś R Gruszczyńska | 4 | 2 | | 2 | D Jakupović D Marcinkēviča | 2 | 4 | | | | | | | | | |
  | 2 | D Jakupović D Marcinkēviča | 6 | 6 | | | | | | | | | | | | | | |
  