# 2023 Monterrey Open – Singles

Donna Vekić defeated Caroline Garcia in the final, 6–4, 3–6, 7–5 to win the women's singles tennis title at the 2023 Monterrey Open. It was her fourth career WTA title.
Leylah Fernandez was the two-time defending champion, but chose not to participate this year.

## Seeds

* Caroline Garcia (final)
* Marie Bouzková (first round)
* Donna Vekić (champion)
* Elise Mertens (semifinals)
* Zhu Lin (semifinals)
* Kateřina Siniaková (first round)
* Mayar Sherif (quarterfinals)
* Elisabetta Cocciaretto (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 | Caroline Garcia | 6 | 6 | | | | | |
| 4 | Elise Mertens | 3 | 4 | | | | | |
| 4 | Elise Mertens | 3 | 4 | 1 | Caroline Garcia | 4 | 6 | 5 |
| | | | | 3 | Donna Vekić | 6 | 3 | 7 |
| 3 | Donna Vekić | 7 | 6 | 3 | Donna Vekić | 6 | 3 | 7 |
| 5 | Zhu Lin | 5 | 2 | | | | | |

### 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 |
| 1 | C Garcia | 6 | 6 | | | | | | | | | | | | | | |
| | K Juvan | 3 | 4 | | 1 | C Garcia | 6 | 6 | | | | | | | | | |
| | N Párrizas Díaz | 7$^7$ | 2 | 6 | | N Párrizas Díaz | 3 | 2 | | | | | | | | | |
| | Xiy Wang | 6$^5$ | 6 | 4 | | | | | | 1 | C Garcia | 6 | 6 | | | | |
| Q | S Vickery | 3 | 4 | | | | | | | 7 | M Sherif | 0 | 4 | | | | |
| | Xin Wang | 6 | 6 | | | Xin Wang | 6 | 6$^6$ | 4 | | | | | | | | |
| | C Osorio | 6$^5$ | 2$^r$ | | 7 | M Sherif | 3 | 7$^8$ | 6 | | | | | | | | |
| 7 | M Sherif | 7$^7$ | 4 | | | | | | | | | | | 1 | C Garcia | 6 | 6 |
| 4 | E Mertens | 6 | 6 | | | | | | | | | | | 4 | E Mertens | 3 | 4 |
| | D Shnaider | 0 | 4 | | 4 | E Mertens | 6 | 3 | 6 | | | | | | | | |
| Q | E-G Ruse | 6 | 7 | | Q | E-G Ruse | 3 | 6 | 2 | | | | | | | | |
| | C Giorgi | 4 | 5 | | | | | | | 4 | E Mertens | 6 | 6 | | | | |
| | L Bronzetti | 1 | 0 | | | | | | | 8 | E Cocciaretto | 2 | 2 | | | | |
| | T Maria | 6 | 6 | | | T Maria | 6$^5$ | 6$^3$ | | | | | | | | | |
| LL | M Bassols Ribera | 5 | 2 | | 8 | E Cocciaretto | 7$^7$ | 7$^7$ | | | | | | | | | |
| 8 | E Cocciaretto | 7 | 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 | Quarterfinals | Semifinals | Semifinals | Semifinals | Semifinals |
| 6 | K Siniaková | 6$^6$ | 6 | 6$^5$ | | | | | | | | | | | | | | |
| Q | K Rakhimova | 7$^8$ | 2 | 7$^7$ | Q | K Rakhimova | 6$^2$ | 6 | 3 | | | | | | | | | |
| Q | D Papamichail | 6$^5$ | 6 | 1 | | Y Bonaventure | 7$^7$ | 1 | 6 | | | | | | | | | |
| | Y Bonaventure | 7$^7$ | 4 | 6 | | | | | | | Y Bonaventure | 2 | 7 | 6$^5$ | | | | |
| WC | E Navarro | 6 | 6 | | | | | | | 3 | D Vekić | 6 | 5 | 7$^7$ | | | | |
| | L Jeanjean | 4 | 2 | | WC | E Navarro | 3 | 2 | | | | | | | | | | |
| Q | L Tsurenko | 6 | 0$^r$ | | 3 | D Vekić | 6 | 6 | | | | | | | | | | |
| 3 | D Vekić | 2 | 5 | | | | | | | | | | | | 3 | D Vekić | 7 | 6 |
| 5 | L Zhu | 6 | 7$^7$ | | | | | | | | | | | | 5 | L Zhu | 5 | 2 |
| | A Bondár | 4 | 6$^4$ | | 5 | L Zhu | 7$^7$ | 2 | 6 | | | | | | | | | |
| WC | F Contreras Gómez | 6$^4$ | 6$^4$ | | | R Marino | 6$^4$ | 6 | 3 | | | | | | | | | |
| | R Marino | 7$^7$ | 7$^7$ | | | | | | | 5 | L Zhu | 6 | 6 | | | | | |
| Q | C Dolehide | 6 | 6 | | | | | | | Q | C Dolehide | 3 | 2 | | | | | |
| | J Niemeier | 1 | 0 | | Q | C Dolehide | 6 | 6 | | | | | | | | | | |
| | AK Schmiedlová | 6 | 6 | | | AK Schmiedlová | 2 | 4 | | | | | | | | | | |
| 2/WC | M Bouzková | 4 | 2 | | | | | | | | | | | | | | | |

## Qualifying
### Seeds

* Kamilla Rakhimova (qualified)
* Lesia Tsurenko (qualified)
* Laura Pigossi (first round)
* Simona Waltert (first round)
* Marina Bassols Ribera (qualifying competition, lucky loser)
* Lucrezia Stefanini (first round)
* Kimberly Birrell (qualifying competition)
* Rebecca Peterson (special exempt to main draw)
* Ana Konjuh (qualifying competition)
* Aliona Bolsova (qualifying competition)
* Despina Papamichail (qualified)
* Katrina Scott (first round)

### Qualifiers

* Kamilla Rakhimova
* Lesia Tsurenko
* Caroline Dolehide
* Elena-Gabriela Ruse
* Despina Papamichail
* Sachia Vickery

### Lucky loser

* Marina Bassols Ribera

### Qualifying draw
#### First qualifier

| First round | First round | First round | First round | Qualifying competition | Qualifying competition | Qualifying competition | Qualifying competition | Qualifying competition |
| 1 | Kamilla Rakhimova | 7$^7$ | 6 | | | | | |
| | Yuliana Lizarazo | 6$^5$ | 4 | | | | | |
| | Yuliana Lizarazo | 6$^5$ | 4 | 1 | Kamilla Rakhimova | 6 | 4 | 7 |
| | | | | 7 | Kimberly Birrell | 2 | 6 | 5 |
| | Carole Monnet | 3 | 0 | 7 | Kimberly Birrell | 2 | 6 | 5 |
| 7 | Kimberly Birrell | 6 | 6 | | | | | |

#### Second qualifier

| First round | First round | First round | First round | Qualifying competition | Qualifying competition | Qualifying competition | Qualifying competition |
| 2 | Lesia Tsurenko | 6 | 6 | | | | |
| | Camilla Rosatello | 4 | 2 | | | | |
| | Camilla Rosatello | 4 | 2 | 2 | Lesia Tsurenko | 6 | 7$^7$ |
| | | | | 9 | Ana Konjuh | 1 | 6$^5$ |
| WC | Victoria Rodríguez | 4 | 3 | 9 | Ana Konjuh | 1 | 6$^5$ |
| 9 | Ana Konjuh | 6 | 6 | | | | |

#### Third qualifier

| First round | First round | First round | First round | Qualifying competition | Qualifying competition | Qualifying competition |
| 3 | Laura Pigossi | 2 | 4 | | | |
| | Caroline Dolehide | 6 | 6 | | | |
| | Caroline Dolehide | 6 | 6 | Caroline Dolehide | 6 | 7 |
| | | | | Marcela Zacarías | 4 | 5 |
| | Marcela Zacarías | 6 | 6 | Marcela Zacarías | 4 | 5 |
| Alt | Andrea Gámiz | 4 | 0 | | | |

#### Fourth qualifier

| First round | First round | First round | First round | First round | Qualifying competition | Qualifying competition | Qualifying competition | Qualifying competition |
| 4 | Simona Waltert | 7$^7$ | 0 | 2 | | | | |
| | Elena-Gabriela Ruse | 6$^4$ | 6 | 6 | | | | |
| | Elena-Gabriela Ruse | 6$^4$ | 6 | 6 | Elena-Gabriela Ruse | 5 | 6 | 6 |
| | | | | | Jesika Malečková | 7 | 3 | 1 |
| | Jesika Malečková | 3 | 6 | 6 | Jesika Malečková | 7 | 3 | 1 |
| 12 | Katrina Scott | 6 | 4 | 3 | | | | |

#### Fifth qualifier

| First round | First round | First round | First round | First round | Qualifying competition | Qualifying competition | Qualifying competition | Qualifying competition |
| 5 | Marina Bassols Ribera | 6 | 2 | 6 | | | | |
| WC | Renata Zarazúa | 4 | 6 | 4 | | | | |
| WC | Renata Zarazúa | 4 | 6 | 4 | 5 | Marina Bassols Ribera | 4 | 4 |
| | | | | | 11 | Despina Papamichail | 6 | 6 |
| WC | Lya Isabel Fernández Olivares | 1 | 1 | | 11 | Despina Papamichail | 6 | 6 |
| 11 | Despina Papamichail | 6 | 6 | | | | | |

#### Sixth qualifier

| First round | First round | First round | First round | First round | Qualifying competition | Qualifying competition | Qualifying competition | Qualifying competition |
| 6 | Lucrezia Stefanini | 7$^7$ | 0 | 4 | | | | |
| | Sachia Vickery | 6$^5$ | 6 | 6 | | | | |
| | Sachia Vickery | 6$^5$ | 6 | 6 | | Sachia Vickery | 6 | 6 |
| | | | | | 10 | Aliona Bolsova | 2 | 0 |
| WC | Ana Sofía Sánchez | 2 | 7$^7$ | 0 | 10 | Aliona Bolsova | 2 | 0 |
| 10 | Aliona Bolsova | 6 | 6$^3$ | 6 | | | | |