| Doubles | |
|---|---|
| 2021 Copa LP Chile | |
| Champions |  Arianne Hartono  Olivia Tjandramulia |
| Runners-up |  Katharina Gerlach  Daniela Seguel |
| Final score | 6–1, 6–3 |
Hayley Carter and Luisa Stefani were the defending champions [1] but chose not to participate.
Arianne Hartono and Olivia Tjandramulia won the title, defeating Katharina Gerlach and Daniela Seguel in the final, 6–1, 6–3.
Irina Bara / 
Ekaterine Gorgodze (Semifinals)
Beatrice Gumulya / Jessy Rompies (Semifinals) Arianne Hartono / Olivia Tjandramulia (Champions) Bárbara Gatica / 
Rebeca Pereira (Quarterfinals)| First Round | Quarterfinals | Semifinals | Final | ||||||||||||||||||||||||
| 1 | I Bara E Gorgodze | 6 | 6 | ||||||||||||||||||||||||
 R Bhatia  M Herazo González | 6 | 6 | R Bhatia M Herazo González | 4 | 3 | ||||||||||||||||||||||
 D Ivanova J Jebawy | 4 | 0 | 1 | I Bara E Gorgodze | 710 | 2 | [6] | ||||||||||||||||||||
| 4 | B Gatica R Pereira | 6 | 6 | K Gerlach D Seguel | 68 | 6 | [10] | ||||||||||||||||||||
| I Cereso A Vergara Rivera | 1 | 0 | 4 | B Gatica R Pereira | 7 | 3 | [6] | ||||||||||||||||||||
| K Gerlach D Seguel | 6 | 6 | K Gerlach D Seguel | 5 | 6 | [10] | |||||||||||||||||||||
| M Cannoni A Valenzuela | 0 | 0 | K Gerlach D Seguel | 1 | 3 | ||||||||||||||||||||||
| F Astete A Riley | 6 | 6 | 3 | A Hartono O Tjandramulia | 6 | 6 | |||||||||||||||||||||
| J Snells MI Yapur López | 2 | 2 | F Astete A Riley | 0 | 1 | ||||||||||||||||||||||
| MM Torrales Tebes J Verdugo | 1 | 0 | 3 | A Hartono O Tjandramulia | 6 | 6 | |||||||||||||||||||||
| 3 | A Hartono O Tjandramulia | 6 | 6 | 3 | A Hartono O Tjandramulia | 6 | 6 | ||||||||||||||||||||
M Alcaíno Vergara  J Robin | 0 | 0 | 2 | B Gumulya J Rompies | 2 | 0 | |||||||||||||||||||||
| F Labraña I Martinich | 6 | 6 | F Labraña I Martinich | 3 | 1 | ||||||||||||||||||||||
| BL Anticán González D López | 2 | 2 | 2 | B Gumulya J Rompies | 6 | 6 | |||||||||||||||||||||
| 2 | B Gumulya J Rompies | 6 | 6 | ||||||||||||||||||||||||
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