# 2021 Monterrey Open

The 2021 Monterrey Open (also known as the Abierto GNP Seguros for sponsorship reasons) was a women's tennis tournament played on outdoor hard courts. It was the 13th edition of the Monterrey Open and a WTA 250 tournament on the 2021 WTA Tour. It took place at the Club Sonoma in Monterrey, Mexico, from 15 to 21 March 2021.

## Champions
### Singles

* Leylah Annie Fernandez def. Viktorija Golubic, 6–1, 6–4.
This was Fernandez's first WTA tour title.

### Doubles

* Caroline Dolehide / Asia Muhammad def. Heather Watson / Saisai Zheng 6–2, 6–3.

## Points and prize money
### Point distribution

| Event | W | F | SF | QF | Round of 16 | Round of 32 | Q | Q2 | Q1 |
| Singles | 280 | 180 | 110 | 60 | 30 | 1 | 18 | 12 | 1 |
| Doubles | 280 | 180 | 110 | 60 | 1 | — | — | — | — |

### Prize money

| Event | W | F | SF | QF | Round of 16 | Round of 32 | Q2 | Q1 |
| Singles | $29,200 | $16,398 | $10,100 | $5,800 | $3,675 | $2,675 | $1,950 | $1,270 |
| Doubles* | $10,300 | $6,000 | $3,800 | $2,300 | $1,750 | — | — | — |
$_{*perteam}$

## Singles main draw entrants
### Seeds

| Country | Player | Ranking$^1$ | Seed |
| USA | Sloane Stephens | 44 | 1 |
| ARG | Nadia Podoroska | 46 | 2 |
| CHN | Zheng Saisai | 48 | 3 |
| CZE | Marie Bouzková | 50 | 4 |
| GBR | Heather Watson | 64 | 5 |
| RUS | Anna Blinkova | 70 | 6 |
| ESP | Sara Sorribes Tormo | 71 | 7 |
| USA | Ann Li | 72 | 8 |
| JPN | Nao Hibino | 79 | 9 |
* $^1$ Rankings as of 8 March 2021.

### Other entrants

The following players received wildcards into the main draw:
* Caroline Dolehide
* CoCo Vandeweghe
* Renata Zarazúa
The following player received entry into the singles main draw using a protected ranking:
* Katie Boulter
* Anna Karolína Schmiedlová
The following player received entry as a special exempt:
* Eugenie Bouchard
The following players received entry from the qualifying draw:
* Viktorija Golubic
* Kaja Juvan
* Anna Kalinskaya
* Camila Osorio
* Mayar Sherif
* Lesia Tsurenko
The following players received entry as lucky losers:
* Harriet Dart
* Kristína Kučová

### Withdrawals
#### Before the tournament

* Victoria Azarenka → replaced by Jasmine Paolini
* Marie Bouzková → replaced by Kristína Kučová
* Coco Gauff → replaced by Varvara Gracheva
* Polona Hercog → replaced by Nina Stojanović
* Ons Jabeur → replaced by Anna Karolína Schmiedlová
* Johanna Konta → replaced by Tamara Zidanšek
* Danka Kovinić → replaced by Harriet Dart
* Magda Linette → replaced by Martina Trevisan
* Ajla Tomljanović → replaced by Zhu Lin

#### During the tournament

* Kaja Juvan (Covid-19 illness)

## Doubles main draw entrants
### Seeds

| Country | Player | Country | Player | Rank$^1$ | Seed |
| USA | Desirae Krawczyk | MEX | Giuliana Olmos | 76 | 1 |
| USA | Caroline Dolehide | USA | Asia Muhammad | 82 | 2 |
| NED | Arantxa Rus | SLO | Tamara Zidanšek | 121 | 3 |
| ESP | Lara Arruabarrena | AUS | Ellen Perez | 135 | 4 |
* Rankings as of March 8, 2021.

### Other entrants

The following pairs received wildcards into the doubles main draw:
* Fernanda Contreras / Marcela Zacarías
* Camila Osorio / Renata Zarazúa

### Withdrawals
#### Before the tournament

* Marie Bouzková / Sara Sorribes Tormo → replaced by Paula Kania-Choduń / Katarzyna Piter
* Anna Kalinskaya / Viktória Kužmová → replaced by Greet Minnen / Ingrid Neel

#### During the tournament

* Anna Blinkova / Nadia Podoroska (right hip injury)

### Retirements

* Greet Minnen / Ingrid Neel (gastrointestinal illness)