# 2021 Aberto da República – Women's singles

This was the first edition of the tournament.
Panna Udvardy won the title, defeating Elina Avanesyan in the final, 0–6, 6–4, 6–3.

## Seeds

* Panna Udvardy (champion)
* Verónica Cepede Royg (semifinals)
* Laura Pigossi (withdrew)
* Gabriela Lee (semifinals)
* Carolina Alves (quarterfinals)
* Elina Avanesyan (final)
* María Lourdes Carlé (second round)
* You Xiaodi (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

### Finals

| Semifinals | Semifinals | Semifinals | Semifinals | Final | Final | Final | Final | Final |
| 1 | Panna Udvardy | 6 | 6 | | | | | |
| 4 | Gabriela Lee | 0 | 3 | | | | | |
| 4 | Gabriela Lee | 0 | 3 | 1 | Panna Udvardy | 0 | 6 | 6 |
| | | | | 6 | Elina Avanesyan | 6 | 4 | 3 |
| 6 | Elina Avanesyan | 6 | 6 | 6 | Elina Avanesyan | 6 | 4 | 3 |
| 2 | Verónica Cepede Royg | 2 | 3 | | | | | |

### 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 | Quarterfinals | Semifinals | Semifinals | Semifinals | Semifinals |
| 1 | P Udvardy | 6 | 6 | | | | | | | | | | | | | | | |
| Q | M Hoedt | 3 | 4 | | 1 | P Udvardy | 7 | 6 | | | | | | | | | | |
| Q | J Jebawy | 2 | 6$^3$ | | | V Strakhova | 5 | 2 | | | | | | | | | | |
| | V Strakhova | 6 | 7$^7$ | | | | | | | 1 | P Udvardy | 6 | 6 | | | | | |
| PR | TG Pedretti | 6 | 6 | | | | | | | 8 | X You | 2 | 0 | | | | | |
| WC | J Klimovicz | 2 | 2 | | PR | TG Pedretti | 5 | 1 | | | | | | | | | | |
| WC | A Candiotto | 1 | 1 | | 8 | X You | 7 | 6 | | | | | | | | | | |
| 8 | X You | 6 | 6 | | | | | | | | | | | | 1 | P Udvardy | 6 | 6 |
| 4 | G Lee | 6 | 6 | | | | | | | | | | | | 4 | G Lee | 0 | 3 |
| Q | L Escauriza | 1 | 4 | | 4 | G Lee | 7$^8$ | 6 | | | | | | | | | | |
| PR | O Tjandramulia | 6 | 6 | | PR | O Tjandramulia | 6$^6$ | 0 | | | | | | | | | | |
| Q | S León | 3 | 0 | | | | | | | 4 | G Lee | 5 | 7$^{11}$ | 7 | | | | |
| | C Zhao | 2 | 6 | 6 | | | | | | | C Zhao | 7 | 6$^9$ | 5 | | | | |
| | C Van Nguyen | 6 | 1 | 1 | | C Zhao | 6 | 4 | 6 | | | | | | | | | |
| WC | ML Oliveira | 0 | 1 | | 7 | ML Carlé | 0 | 6 | 2 | | | | | | | | | |
| 7 | ML Carlé | 6 | 6 | | | | | | | | | | | | | | | |

### 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 |
| 6 | E Avanesyan | 2 | 6 | 6 | | | | | | | | | | | | | |
| | I Gamarra Martins | 6 | 0 | 4 | 6 | E Avanesyan | 4 | 6 | 6 | | | | | | | | |
| Q | L Meyer auf der Heide | 6 | 7 | | Q | L Meyer auf der Heide | 6 | 2 | 1 | | | | | | | | |
| | N Kurata | 2 | 5 | | | | | | | 6 | E Avanesyan | 7 | 6 | | | | |
| LL | N Zeballos | 6 | 5 | 6 | | | | | | LL | ML Kaul | 5 | 4 | | | | |
| | D Ivanova | 2 | 7 | 3 | LL | N Zeballos | 0 | 4 | | | | | | | | | |
| | AS Sánchez | 2 | 4 | | LL | ML Kaul | 6 | 6 | | | | | | | | | |
| LL | ML Kaul | 6 | 6 | | | | | | | | | | | 6 | E Avanesyan | 6 | 6 |
| 5 | C Alves | 3 | 6 | 0 | | | | | | | | | | 2 | V Cepede Royg | 2 | 3 |
| | R Bhatia | 6 | 2 | 0$^r$ | 5 | C Alves | 7 | 0 | 6 | | | | | | | | |
| | B Gatica | 6 | 6$^5$ | 6$^9$ | Q | K Jokić | 5 | 6 | 3 | | | | | | | | |
| Q | K Jokić | 2 | 7$^7$ | 7$^{11}$ | | | | | | 5 | C Alves | 3 | 1 | | | | |
| Q | M Capurro Taborda | 3 | 6 | 6 | | | | | | 2 | V Cepede Royg | 6 | 6 | | | | |
| Q | E Welker | 6 | 3 | 3 | Q | M Capurro Taborda | 1 | 1 | | | | | | | | | |
| WC | S da Cruz Mendonça | 0 | 3 | | 2 | V Cepede Royg | 6 | 6 | | | | | | | | | |
| 2 | V Cepede Royg | 6 | 6 | | | | | | | | | | | | | | |