# 2020 Brisbane International – Singles

Karolína Plíšková was the defending champion and successfully defended her title, defeating Madison Keys in the final, 6–4, 4–6, 7–5. Plíšková won the title after saving a match point Naomi Osaka had against her in the semifinals.

## Seeds

The top two seeds received a bye into the second round.
* Ashleigh Barty (second round)
* Karolína Plíšková (champion)
* Naomi Osaka (semifinals)
* Elina Svitolina (first round)
* Petra Kvitová (semifinals)
* Kiki Bertens (quarterfinals)
* Johanna Konta (first round)
* Madison Keys (final)

## 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 | Final |
| 5 | Petra Kvitová | 6 | 2 | 3 | | | | | |
| 8 | Madison Keys | 3 | 6 | 6 | | | | | |
| 8 | Madison Keys | 3 | 6 | 6 | 8 | Madison Keys | 4 | 6 | 5 |
| | | | | | 2 | Karolína Plíšková | 6 | 4 | 7 |
| 3 | Naomi Osaka | 7$^{12}$ | 6$^3$ | 2 | 2 | Karolína Plíšková | 6 | 4 | 7 |
| 2 | Karolína Plíšková | 6$^{10}$ | 7$^7$ | 6 | | | | | |

### Top half

| First round | First round | First round | First round | First round | Second round | Second round | Second round | Second round | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Semifinals | Semifinals | Semifinals | Semifinals | Semifinals |
| | | | | | 1 | A Barty | 4 | 6$^4$ | | | | | | | | | |
| WC | M Sharapova | 6 | 1 | 6$^3$ | Q | J Brady | 6 | 7$^7$ | | | | | | | | | |
| Q | J Brady | 3 | 6 | 7$^7$ | | | | | Q | J Brady | 4 | 2 | | | | | |
| | S Stephens | 4 | 6 | 3 | | | | | 5 | P Kvitová | 6 | 6 | | | | | |
| Q | L Samsonova | 6 | 2 | 6 | Q | L Samsonova | 3 | 2 | | | | | | | | | |
| | A Pavlyuchenkova | 6 | 1 | 0 | 5 | P Kvitová | 6 | 6 | | | | | | | | | |
| 5 | P Kvitová | 2 | 6 | 6 | | | | | | | | | 5 | P Kvitová | 6 | 2 | 3 |
| 4 | E Svitolina | 1 | 1 | | | | | | | | | | 8 | M Keys | 3 | 6 | 6 |
| | D Collins | 6 | 6 | | | D Collins | 6 | 6 | | | | | | | | | |
| | D Vekić | 3 | 6 | 5 | Q | Y Putintseva | 1 | 0 | | | | | | | | | |
| Q | Y Putintseva | 6 | 3 | 7 | | | | | | D Collins | 4 | 1 | | | | | |
| WC | S Stosur | 7$^7$ | 7$^7$ | | | | | | 8 | M Keys | 6 | 6 | | | | | |
| | A Kerber | 6$^5$ | 6$^4$ | | WC | S Stosur | 5 | 3 | | | | | | | | | |
| Q | M Bouzková | 3 | 2 | | 8 | M Keys | 7 | 6 | | | | | | | | | |
| 8 | M Keys | 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 | Quarterfinals | Semifinals | Semifinals | Semifinals | Semifinals | Semifinals |
| 6 | K Bertens | 6 | 1 | 6 | | | | | | | | | | | | | | | |
| | D Yastremska | 4 | 6 | 3 | 6 | K Bertens | 6 | 2 | 7 | | | | | | | | | | |
| | A Kontaveit | 6 | 6 | | | A Kontaveit | 3 | 6 | 5 | | | | | | | | | | |
| | S-w Hsieh | 4 | 1 | | | | | | | 6 | K Bertens | 3 | 6 | 3 | | | | | |
| | S Kenin | 7$^7$ | 6 | | | | | | | 3 | N Osaka | 6 | 3 | 6 | | | | | |
| | A Sevastova | 6$^1$ | 4 | | | S Kenin | 7$^7$ | 3 | 1 | | | | | | | | | | |
| | M Sakkari | 2 | 7$^7$ | 3 | 3 | N Osaka | 6$^3$ | 6 | 6 | | | | | | | | | | |
| 3 | N Osaka | 6 | 6$^4$ | 6 | | | | | | | | | | | 3 | N Osaka | 7$^{12}$ | 6$^3$ | 2 |
| 7 | J Konta | 2 | 6 | 3 | | | | | | | | | | | 2 | Ka Plíšková | 6$^{10}$ | 7$^7$ | 6 |
| | B Strýcová | 6 | 3 | 6 | | B Strýcová | 3 | 4 | | | | | | | | | | | |
| | A Riske | 6 | 6 | | | A Riske | 6 | 6 | | | | | | | | | | | |
| | K Muchová | 4 | 2 | | | | | | | | A Riske | 6$^6$ | 3 | | | | | | |
| WC | A Tomljanović | 6 | 4 | 6 | | | | | | 2 | Ka Plíšková | 7$^8$ | 6 | | | | | | |
| WC | P Hon | 2 | 6 | 4 | WC | A Tomljanović | 4 | 7$^7$ | 1 | | | | | | | | | | |
| | | | | | 2 | Ka Plíšková | 6 | 6$^5$ | 6 | | | | | | | | | | |

## Qualifying
### Seeds

* Yulia Putintseva (qualified)
* Kristina Mladenovic (second round)
* Veronika Kudermetova (qualifying competition)
* Jennifer Brady (qualified)
* Marie Bouzková (qualified)
* Fiona Ferro (first round)
* Bernarda Pera (first round)
* Viktorija Golubic (second round)

### Qualifiers

* Yulia Putintseva
* Liudmila Samsonova
* Marie Bouzková
* Jennifer Brady

### Qualifying draw
#### First qualifier

| First round | First round | First round | First round | Second round | Second round | Second round | Second round | Second round | Qualifying competition | Qualifying competition | Qualifying competition | Qualifying competition |
| 1 | Yulia Putintseva | 6 | 6 | | | | | | | | | |
| | Harriet Dart | 4 | 3 | | | | | | | | | |
| | Harriet Dart | 4 | 3 | 1 | Yulia Putintseva | 5 | 6 | 6 | | | | |
| | | | | | Madison Brengle | 7 | 2 | 1 | | | | |
| | Madison Brengle | 6 | 6 | | Madison Brengle | 7 | 2 | 1 | | | | |
| | Katarina Zavatska | 2 | 3 | | | | | | | | | |
| | Katarina Zavatska | 2 | 3 | | | | | | 1 | Yulia Putintseva | 6 | 6 |
| | | | | | | | | | | Anastasia Potapova | 4 | 3 |
| WC | Destanee Aiava | 3 | 4 | | | | | | | | | | Anastasia Potapova | 4 | 3 |
| | Anastasia Potapova | 6 | 6 | | | | | | | | | |
| | Anastasia Potapova | 6 | 6 | | Anastasia Potapova | 2 | 7 | 6 | | | | |
| | | | | 8 | Viktorija Golubic | 6 | 5 | 2 | | | | |
| | Rebecca Šramková | 2 | 2 | 8 | Viktorija Golubic | 6 | 5 | 2 | | | | |
| 8 | Viktorija Golubic | 6 | 6 | | | | | | | | | |

#### Second qualifier

| First round | First round | First round | First round | First round | Second round | Second round | Second round | Second round | Second round | Qualifying competition | Qualifying competition | Qualifying competition |
| 2 | Kristina Mladenovic | 6 | 4 | 6 | | | | | | | | |
| WC | Ellen Perez | 4 | 6 | 4 | | | | | | | | |
| WC | Ellen Perez | 4 | 6 | 4 | 2 | Kristina Mladenovic | 1 | 4 | | | | |
| | | | | | | Liudmila Samsonova | 6 | 6 | | | | |
| | Liudmila Samsonova | 7$^9$ | 6$^4$ | 6 | | Liudmila Samsonova | 6 | 6 | | | | |
| WC | Kaylah McPhee | 6$^7$ | 7$^7$ | 4 | | | | | | | | |
| WC | Kaylah McPhee | 6$^7$ | 7$^7$ | 4 | | | | | | Liudmila Samsonova | 7$^7$ | 6 |
| | | | | | | | | | | Marta Kostyuk | 6$^4$ | 4 |
| | Anna Karolína Schmiedlová | 0 | 6 | 6 | | | | | | | | | Marta Kostyuk | 6$^4$ | 4 |
| | Viktoriya Tomova | 6 | 4 | 4 | | | | | | | | |
| | Viktoriya Tomova | 6 | 4 | 4 | | Anna Karolína Schmiedlová | 7 | 4 | 3 | | | |
| | | | | | | Marta Kostyuk | 5 | 6 | 6 | | | |
| | Marta Kostyuk | 7$^8$ | 6 | | | Marta Kostyuk | 5 | 6 | 6 | | | |
| 7 | Bernarda Pera | 6$^6$ | 4 | | | | | | | | | |

#### Third qualifier

| First round | First round | First round | First round | First round | Second round | Second round | Second round | Second round | Second round | Qualifying competition | Qualifying competition | Qualifying competition | Qualifying competition | Qualifying competition |
| 3 | Veronika Kudermetova | 7 | 6 | | | | | | | | | | | |
| | Barbara Haas | 5 | 3 | | | | | | | | | | | |
| | Barbara Haas | 5 | 3 | | 3 | Veronika Kudermetova | 5 | 6 | 6 | | | | | |
| | | | | | | Natalia Vikhlyantseva | 7 | 4 | 2 | | | | | |
| | Maddison Inglis | 6 | 3 | 5 | | Natalia Vikhlyantseva | 7 | 4 | 2 | | | | | |
| | Natalia Vikhlyantseva | 4 | 6 | 7 | | | | | | | | | | |
| | Natalia Vikhlyantseva | 4 | 6 | 7 | | | | | | 3 | Veronika Kudermetova | 5 | 6 | 3 |
| | | | | | | | | | | 5 | Marie Bouzková | 7 | 4 | 6 |
| | Lizette Cabrera | 6 | 6 | | | | | | | | | | | | 5 | Marie Bouzková | 7 | 4 | 6 |
| | Whitney Osuigwe | 2 | 1 | | | | | | | | | | | |
| | Whitney Osuigwe | 2 | 1 | | | Lizette Cabrera | 5 | 4 | | | | | | |
| | | | | | 5 | Marie Bouzková | 7 | 6 | | | | | | |
| | Kaia Kanepi | 5 | 3 | | 5 | Marie Bouzková | 7 | 6 | | | | | | |
| 5 | Marie Bouzková | 7 | 6 | | | | | | | | | | | |

#### Fourth qualifier

| First round | First round | First round | First round | First round | Second round | Second round | Second round | Second round | Second round | Qualifying competition | Qualifying competition | Qualifying competition | Qualifying competition |
| 4 | Jennifer Brady | 6 | 6 | | | | | | | | | | |
| | Chloé Paquet | 2 | 1 | | | | | | | | | | |
| | Chloé Paquet | 2 | 1 | | 4 | Jennifer Brady | 6 | 6 | | | | | |
| | | | | | | Francesca Di Lorenzo | 2 | 0 | | | | | |
| | Katarzyna Kawa | 3 | 5 | | | Francesca Di Lorenzo | 2 | 0 | | | | | |
| | Francesca Di Lorenzo | 6 | 7 | | | | | | | | | | |
| | Francesca Di Lorenzo | 6 | 7 | | | | | | | 4 | Jennifer Brady | 7$^9$ | 6 |
| | | | | | | | | | | WC | Storm Sanders | 6$^7$ | 1 |
| | Varvara Flink | 2 | 6 | 4 | | | | | | | | | | WC | Storm Sanders | 6$^7$ | 1 |
| WC | Storm Sanders | 6 | 2 | 6 | | | | | | | | | |
| WC | Storm Sanders | 6 | 2 | 6 | WC | Storm Sanders | 6 | 3 | 6 | | | | |
| | | | | | | Heather Watson | 2 | 6 | 3 | | | | |
| | Heather Watson | 6 | 7$^7$ | | | Heather Watson | 2 | 6 | 3 | | | | |
| 6 | Fiona Ferro | 2 | 6$^4$ | | | | | | | | | | |