# 2021 Open Araba en Femenino – Singles

Cristina Bucșa was the defending champion but chose to participate in Budapest instead.
Rebeka Masarova won the title, defeating Ane Mintegi del Olmo in the final, 7–6$^{(7–3)}$, 6–4.

## Seeds

* Lesley Pattinama Kerkhove (quarterfinals)
* Verónica Cepede Royg (quarterfinals)
* Indy de Vroome (first round)
* Jessika Ponchet (quarterfinals)
* Pemra Özgen (first round)
* Han Na-lae (first round)
* Mai Hontama (semifinals)
* Katie Swan (withdrew)

## 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 | Semifinals | Semifinals | Semifinals | Semifinals | Final | Final | Final | Final |
| WC | Ane Mintegi del Olmo | 6 | 4 | 6 | | | | |
| Q | Estela Pérez Somarriba | 0 | 6 | 4 | | | | |
| Q | Estela Pérez Somarriba | 0 | 6 | 4 | WC | Ane Mintegi del Olmo | 6$^3$ | 4 |
| | | | | | | Rebeka Masarova | 7$^7$ | 6 |
| 7 | Mai Hontama | 4 | 1 | | | Rebeka Masarova | 7$^7$ | 6 |
| | Rebeka Masarova | 6 | 6 | | | | | |

### Top half

| First round | First round | First round | First round | First round | Second round | Second round | Second round | Second round | Second round | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Semifinals | Semifinals | Semifinals | Semifinals | Semifinals |
| 1 | L Pattinama Kerkhove | 6 | 6 | | | | | | | | | | | | | | | |
| WC | M Aristegui | 3 | 0 | | 1 | L Pattinama Kerkhove | 6 | 6 | | | | | | | | | | |
| Q | B Klincov | 3 | 6 | 2 | LL | O Gram | 2 | 2 | | | | | | | | | | |
| LL | O Gram | 6 | 2 | 6 | | | | | | 1 | L Pattinama Kerkhove | 3 | 3 | | | | | |
| | J Namigata | 5 | 6 | 4 | | | | | | WC | A Mintegi del Olmo | 6 | 6 | | | | | |
| Q | S Milatová | 7 | 0 | 6 | Q | S Milatová | 3 | 6 | 2 | | | | | | | | | |
| WC | A Mintegi del Olmo | 3 | 6 | 6 | WC | A Mintegi del Olmo | 6 | 1 | 6 | | | | | | | | | |
| 5 | P Özgen | 6 | 3 | 3 | | | | | | | | | | WC | A Mintegi del Olmo | 6 | 4 | 6 |
| 3 | I de Vroome | 1 | 5 | | | | | | | | | | | Q | E Pérez Somarriba | 0 | 6 | 4 |
| Q | E Pérez Somarriba | 6 | 7 | | Q | E Pérez Somarriba | 6 | 6 | | | | | | | | | | |
| | M Gutiérrez Carrasco | 1 | 6 | 6 | | M Gutiérrez Carrasco | 4 | 3 | | | | | | | | | | |
| PR | H Arakawa | 6 | 2 | 2 | | | | | | Q | E Pérez Somarriba | 6 | 7 | | | | | |
| | M Bassols Ribera | 3 | 4 | | | | | | | | A Kulikova | 3 | 5 | | | | | |
| | A Kulikova | 6 | 6 | | | A Kulikova | 6 | 6 | | | | | | | | | | |
| | M Noël | 6 | 7 | | | M Noël | 0 | 3 | | | | | | | | | | |
| LL | M Hodzic | 4 | 5 | | | | | | | | | | | | | | | |

### Bottom half

| First round | First round | First round | First round | First round | Second round | Second round | Second round | Second round | Second round | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Semifinals | Semifinals | Semifinals | Semifinals |
| 7 | M Hontama | 6 | 6 | | | | | | | | | | | | | | |
| | H Kaji | 2 | 0 | | 7 | M Hontama | 6 | 6 | | | | | | | | | |
| Q | C Cerviño Ruiz | 4 | 1 | | Q | A Carrillo Marín | 4 | 3 | | | | | | | | | |
| Q | A Carrillo Marín | 6 | 6 | | | | | | | 7 | M Hontama | 6 | 6 | | | | |
| PR | A Omae | 3 | 4 | | | | | | | 4 | J Ponchet | 4 | 3 | | | | |
| Q | L Pulchartová | 6 | 6 | | Q | L Pulchartová | 6$^5$ | 4 | | | | | | | | | |
| Q | V Meliss | 3 | 6 | 6$^4$ | 4 | J Ponchet | 7$^7$ | 6 | | | | | | | | | |
| 4 | J Ponchet | 6 | 2 | 7$^7$ | | | | | | | | | | 7 | M Hontama | 4 | 1 |
| 6 | N-l Han | 7 | 4 | 2 | | | | | | | | | | | R Masarova | 6 | 6 |
| | R Masarova | 5 | 6 | 6 | | R Masarova | 2 | 7 | 6 | | | | | | | | |
| WC | L Cortez Llorca | 7$^7$ | 3 | 2 | WC | Á Fita Boluda | 6 | 5 | 0 | | | | | | | | |
| WC | Á Fita Boluda | 6$^5$ | 6 | 6 | | | | | | | R Masarova | 7$^7$ | 6 | | | | |
| Q | M García Cid | 1 | 3 | | | | | | | 2 | V Cepede Royg | 6$^5$ | 4 | | | | |
| JE | V Jiménez Kasintseva | 6 | 6 | | JE | V Jiménez Kasintseva | 3 | 6$^8$ | | | | | | | | | |
| | O Gadecki | 6$^5$ | 5 | | 2 | V Cepede Royg | 6 | 7$^{10}$ | | | | | | | | | |
| 2 | V Cepede Royg | 7$^7$ | 7 | | | | | | | | | | | | | | |