# 2021 National Bank Open – Women's singles

Camila Giorgi defeated Karolína Plíšková in the final, 6–3, 7–5 to win the women's singles tennis title at the 2021 Canadian Open. It was her third career WTA Tour title, her first at the WTA 1000 level, and her first since Linz in 2018.
Bianca Andreescu was the defending champion from when the event was last held in 2019, but lost in the third round to Ons Jabeur.

## Seeds

The top eight seeds received a bye into the second round.
    01. Aryna Sabalenka (semifinals)
    02. Bianca Andreescu (third round)
    03. Elina Svitolina (second round)
    04. Karolína Plíšková (final)
    05. Garbiñe Muguruza (second round)
    06. Simona Halep (second round)
    07. Petra Kvitová (third round)
    08. Victoria Azarenka (quarterfinals)
    09. Elise Mertens (first round)
    10. Anastasia Pavlyuchenkova (second round)
    11. Maria Sakkari (third round)
    12. Elena Rybakina (first round)
    13. Ons Jabeur (quarterfinals)
    14. Karolína Muchová (first round)
    15. Coco Gauff (quarterfinals)
    16. Madison Keys (first round)
Click on the seed number of a player to go to their draw section.

## 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

| Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Semifinals | Semifinals | Semifinals | Semifinals | Semifinals | Final | Final | Final | Final |
| 1 | Aryna Sabalenka | 6 | 6 | | | | | | | | | | |
| 8 | Victoria Azarenka | 2 | 4 | | | | | | | | | | |
| 8 | Victoria Azarenka | 2 | 4 | | 1 | Aryna Sabalenka | 3 | 4 | | | | | |
| | | | | | 4 | Karolína Plíšková | 6 | 6 | | | | | |
| 4 | Karolína Plíšková | 6 | 6 | | 4 | Karolína Plíšková | 6 | 6 | | | | | |
| | Sara Sorribes Tormo | 4 | 0 | | | | | | | | | | |
| | Sara Sorribes Tormo | 4 | 0 | | | | | | | 4 | Karolína Plíšková | 3 | 5 |
| | | | | | | | | | | | Camila Giorgi | 6 | 7 |
| | Camila Giorgi | 6 | 7$^7$ | | | | | | | | | | | Camila Giorgi | 6 | 7 |
| 15 | Coco Gauff | 4 | 6$^2$ | | | | | | | | | | |
| 15 | Coco Gauff | 4 | 6$^2$ | | | Camila Giorgi | 6 | 3 | 6 | | | | |
| | | | | | | Jessica Pegula | 3 | 6 | 1 | | | | |
| | Jessica Pegula | 1 | 7$^7$ | 6 | | Jessica Pegula | 3 | 6 | 1 | | | | |
| 13 | Ons Jabeur | 6 | 6$^4$ | 0 | | | | | | | | | |

### Top half
#### Section 1

| First round | First round | First round | First round | First round | Second round | Second round | Second round | Second round | Second round | Third round | Third round | Third round | Third round | Third round | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals |
| | | | | | 1 | A Sabalenka | 7$^7$ | 4 | 6 | | | | | | | | | |
| | D Yastremska | 4 | 6 | 4 | WC | S Stephens | 6$^4$ | 6 | 4 | | | | | | | | | |
| WC | S Stephens | 6 | 1 | 6 | | | | | | 1 | A Sabalenka | 6 | 6 | | | | | |
| | P Badosa | 6 | 6 | | | | | | | WC | R Marino | 1 | 3 | | | | | |
| | V Golubic | 2 | 3 | | | P Badosa | 6 | 5 | 4 | | | | | | | | | |
| WC | R Marino | 6 | 6 | | WC | R Marino | 1 | 7 | 6 | | | | | | | | | |
| 16 | M Keys | 3 | 3 | | | | | | | | | | | | 1 | A Sabalenka | 6 | 6 |
| 11 | M Sakkari | 6 | 3 | | | | | | | | | | | | 8 | V Azarenka | 2 | 4 |
| | M Bouzková | 4 | 1$^r$ | | 11 | M Sakkari | 6 | 5 | 6 | | | | | | | | | |
| | V Kudermetova | 1 | 6 | 6 | | V Kudermetova | 4 | 7 | 4 | | | | | | | | | |
| | Y Putintseva | 6 | 2 | 4 | | | | | | 11 | M Sakkari | 4 | 6 | 6$^2$ | | | | |
| | A Riske | 3 | 4 | | | | | | | 8 | V Azarenka | 6 | 3 | 7$^7$ | | | | |
| | S Cîrstea | 6 | 6 | | | S Cîrstea | 2 | 2 | | | | | | | | | | |
| | | | | | 8 | V Azarenka | 6 | 6 | | | | | | | | | | |

#### Section 2

| First round | First round | First round | First round | First round | Second round | Second round | Second round | Second round | Second round | Third round | Third round | Third round | Third round | Third round | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals |
| | | | | | 4 | Ka Plíšková | 4 | 6 | 7$^7$ | | | | | | | | | |
| Q | A Van Uytvanck | 1 | 2 | | | D Vekić | 6 | 3 | 6$^2$ | | | | | | | | | |
| | D Vekić | 6 | 6 | | | | | | | 4 | Ka Plíšková | 6 | 7$^{10}$ | | | | | |
| Q | T Martincová | 1 | 3$^r$ | | | | | | | Q | A Anisimova | 1 | 6$^8$ | | | | | |
| Q | A Anisimova | 6 | 4 | | Q | A Anisimova | 6 | 6 | | | | | | | | | | |
| Q | O Dodin | 6 | 1 | 6 | Q | O Dodin | 3 | 3 | | | | | | | | | | |
| 14 | K Muchová | 3 | 6 | 2 | | | | | | | | | | | 4 | Ka Plíšková | 6 | 6 |
| 12 | E Rybakina | 4 | 7 | 4 | | | | | | | | | | | | S Sorribes Tormo | 4 | 0 |
| | L Samsonova | 6 | 5 | 6 | | L Samsonova | 4 | 3 | | | | | | | | | | |
| WC | C Zhao | 2 | 3 | | | S Sorribes Tormo | 6 | 6 | | | | | | | | | | |
| | S Sorribes Tormo | 6 | 6 | | | | | | | | S Sorribes Tormo | 6$^4$ | 6 | 6 | | | | |
| | J Ostapenko | 1 | 3 | | | | | | | | K Siniaková | 7$^7$ | 0 | 3 | | | | |
| | K Siniaková | 6 | 6 | | | K Siniaková | 6 | 0 | 6 | | | | | | | | | |
| | | | | | 5 | G Muguruza | 2 | 6 | 3 | | | | | | | | | |

### Bottom half
#### Section 3

| First round | First round | First round | First round | First round | Second round | Second round | Second round | Second round | Second round | Third round | Third round | Third round | Third round | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals |
| | | | | | 7 | P Kvitová | 6 | 6 | | | | | | | | | |
| | A Tomljanović | 6 | 2 | 0$^r$ | | F Ferro | 4 | 4 | | | | | | | | | |
| | F Ferro | 2 | 6 | 0 | | | | | | 7 | P Kvitová | 4 | 4 | | | | |
| | M Linette | 1 | 2 | | | | | | | | C Giorgi | 6 | 6 | | | | |
| | N Podoroska | 6 | 6 | | | N Podoroska | 2 | 4 | | | | | | | | | |
| | C Giorgi | 6 | 7 | | | C Giorgi | 6 | 6 | | | | | | | | | |
| 9 | E Mertens | 3 | 5 | | | | | | | | | | | | C Giorgi | 6 | 7$^7$ |
| 15 | C Gauff | 6 | 6 | | | | | | | | | | | 15 | C Gauff | 4 | 6$^2$ |
| | A Sevastova | 1 | 4 | | 15 | C Gauff | 5 | | | | | | | | | | |
| Q | A Potapova | 7$^8$ | 6 | | Q | A Potapova | 0$^r$ | | | | | | | | | | |
| | S Rogers | 6$^6$ | 3 | | | | | | | 15 | C Gauff | w/o | | | | | |
| | S Zhang | 6 | 2$^r$ | | | | | | | | J Konta | | | | | | |
| | J Konta | 4 | 5 | | | J Konta | 3 | 6 | 6 | | | | | | | | |
| | | | | | 3 | E Svitolina | 6 | 3 | 2 | | | | | | | | |

#### Section 4

| First round | First round | First round | First round | First round | Second round | Second round | Second round | Second round | Second round | Third round | Third round | Third round | Third round | Third round | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals |
| | | | | | 6/WC | S Halep | 6 | 4 | 4 | | | | | | | | | | |
| | D Collins | 4 | 6 | 6 | | D Collins | 2 | 6 | 6 | | | | | | | | | | |
| | J Teichmann | 6 | 1 | 3 | | | | | | | D Collins | 4 | 6 | 5 | | | | | |
| | A Kontaveit | 7 | 3 | 3 | | | | | | | J Pegula | 6 | 3 | 7 | | | | | |
| | J Pegula | 5 | 6 | 6 | | J Pegula | 1 | 6 | 6 | | | | | | | | | | |
| Q | C Garcia | 4 | 4 | | 10 | A Pavlyuchenkova | 6 | 3 | 2 | | | | | | | | | | |
| 10 | A Pavlyuchenkova | 6 | 6 | | | | | | | | | | | | | J Pegula | 1 | 7$^7$ | 6 |
| 13 | O Jabeur | 6 | 6 | | | | | | | | | | | | 13 | O Jabeur | 6 | 6$^4$ | 0 |
| Q | C Burel | 1 | 3 | | 13 | O Jabeur | 2 | 6 | 6 | | | | | | | | | | |
| | P Martić | 5 | 3 | | | D Kasatkina | 6 | 3 | 4 | | | | | | | | | | |
| | D Kasatkina | 7 | 6 | | | | | | | 13 | O Jabeur | 6$^5$ | 6 | 6 | | | | | |
| Q | H Dart | 7 | 7$^7$ | | | | | | | 2 | B Andreescu | 7$^7$ | 4 | 1 | | | | | |
| WC | LA Fernandez | 5 | 6$^4$ | | Q | H Dart | 1 | 6 | 3 | | | | | | | | | | |
| | | | | | 2 | B Andreescu | 6 | 3 | 6 | | | | | | | | | | |

## Qualifying
### Seeds

* Alison Van Uytvanck (qualified)
* Kristina Mladenovic (qualifying competition)
* Tereza Martincová (qualified)
* Heather Watson (qualifying competition)
* Ann Li (qualifying competition)
* Caroline Garcia (qualified)
* Amanda Anisimova (qualified)
* Bernarda Pera (first round)
* Polona Hercog (qualifying competition)
* Anastasia Potapova (qualified)
* Clara Burel (qualified)
* Christina McHale (qualifying competition)
* Océane Dodin (qualified)
* Astra Sharma (first round)
* Kristie Ahn (qualifying competition)
* Kamilla Rakhimova (qualifying competition)

### Qualifiers

* Alison Van Uytvanck
* Anastasia Potapova
* Tereza Martincová
* Clara Burel
* Océane Dodin
* Caroline Garcia
* Amanda Anisimova
* Harriet Dart

#### First qualifier

| First round | First round | First round | First round | Qualifying competition | Qualifying competition | Qualifying competition | Qualifying competition | Qualifying competition |
| 1 | Alison Van Uytvanck | 6 | 6 | | | | | |
| | Makoto Ninomiya | 2 | 0 | | | | | |
| | Makoto Ninomiya | 2 | 0 | 1 | Alison Van Uytvanck | 6$^4$ | 6 | 6 |
| | | | | | Jule Niemeier | 7$^7$ | 0 | 3 |
| | Jule Niemeier | 6 | 6 | | Jule Niemeier | 7$^7$ | 0 | 3 |
| 14 | Astra Sharma | 4 | 2 | | | | | |

#### Second qualifier

| First round | First round | First round | First round | First round | Qualifying competition | Qualifying competition | Qualifying competition | Qualifying competition |
| 2 | Kristina Mladenovic | 6 | 7$^7$ | | | | | |
| | Lyudmyla Kichenok | 4 | 6$^2$ | | | | | |
| | Lyudmyla Kichenok | 4 | 6$^2$ | | 2 | Kristina Mladenovic | 6$^5$ | 2 |
| | | | | | 10 | Anastasia Potapova | 7$^7$ | 6 |
| WC | Layne Sleeth | 6 | 4 | 3 | 10 | Anastasia Potapova | 7$^7$ | 6 |
| 10 | Anastasia Potapova | 4 | 6 | 6 | | | | |

#### Third qualifier

| First round | First round | First round | First round | Qualifying competition | Qualifying competition | Qualifying competition | Qualifying competition |
| 3 | Tereza Martincová | 6 | 6 | | | | |
| | Demi Schuurs | 3 | 1 | | | | |
| | Demi Schuurs | 3 | 1 | 3 | Tereza Martincová | 7 | 6 |
| | | | | 9 | Polona Hercog | 5 | 3 |
| | Harmony Tan | 2 | 3 | 9 | Polona Hercog | 5 | 3 |
| 9 | Polona Hercog | 6 | 6 | | | | |

#### Fourth qualifier

| First round | First round | First round | First round | Qualifying competition | Qualifying competition | Qualifying competition | Qualifying competition | Qualifying competition |
| 4 | Heather Watson | 6 | 6 | | | | | |
| | Katherine Sebov | 0 | 3 | | | | | |
| | Katherine Sebov | 0 | 3 | 4 | Heather Watson | 6 | 4 | 4 |
| | | | | 11 | Clara Burel | 1 | 6 | 6 |
| | Emily Webley-Smith | 6$^3$ | 4 | 11 | Clara Burel | 1 | 6 | 6 |
| 11 | Clara Burel | 7$^7$ | 6 | | | | | |

#### Fifth qualifier

| First round | First round | First round | First round | Qualifying competition | Qualifying competition | Qualifying competition | Qualifying competition |
| 5 | Ann Li | 6 | 6 | | | | |
| WC | Mia Kupres | 1 | 3 | | | | |
| WC | Mia Kupres | 1 | 3 | 5 | Ann Li | 1 | 4 |
| | | | | 13 | Océane Dodin | 6 | 6 |
| WC | Kayla Cross | 0 | 2 | 13 | Océane Dodin | 6 | 6 |
| 13 | Océane Dodin | 6 | 6 | | | | |

#### Sixth qualifier

| First round | First round | First round | First round | First round | Qualifying competition | Qualifying competition | Qualifying competition | Qualifying competition |
| 6 | Caroline Garcia | 7$^7$ | 6 | | | | | |
| | Françoise Abanda | 6$^5$ | 4 | | | | | |
| | Françoise Abanda | 6$^5$ | 4 | | 6 | Caroline Garcia | 7$^7$ | 6 |
| | | | | | 15 | Kristie Ahn | 6$^3$ | 3 |
| | Nicole Melichar | 6 | 5 | 0 | 15 | Kristie Ahn | 6$^3$ | 3 |
| 15 | Kristie Ahn | 1 | 7 | 6 | | | | |

#### Seventh qualifier

| First round | First round | First round | First round | First round | Qualifying competition | Qualifying competition | Qualifying competition | Qualifying competition |
| 7 | Amanda Anisimova | 6 | 1 | 6 | | | | |
| | Maddison Inglis | 3 | 6 | 0 | | | | |
| | Maddison Inglis | 3 | 6 | 0 | 7 | Amanda Anisimova | 7$^7$ | 6 |
| | | | | | 16 | Kamilla Rakhimova | 6$^3$ | 4 |
| WC | Mélodie Collard | 3 | 0 | | 16 | Kamilla Rakhimova | 6$^3$ | 4 |
| 16 | Kamilla Rakhimova | 6 | 6 | | | | | |

#### Eighth qualifier

| First round | First round | First round | First round | First round | Qualifying competition | Qualifying competition | Qualifying competition | Qualifying competition | Qualifying competition |
| 8 | Bernarda Pera | 6 | 4 | 3 | | | | | |
| | Harriet Dart | 3 | 6 | 6 | | | | | |
| | Harriet Dart | 3 | 6 | 6 | | Harriet Dart | 2 | 6 | 6 |
| | | | | | 11 | Christina McHale | 6 | 2 | 4 |
| | Raphaëlle Lacasse | 0 | 1 | | 11 | Christina McHale | 6 | 2 | 4 |
| 11 | Christina McHale | 6 | 6 | | | | | | |