2021 Phillip Island Trophy

The 2021 Phillip Island Trophy is a tournament on the 2021 WTA Tour, one of six events in the 2021 Melbourne Summer Series. It was played on outdoor hard courts in Melbourne, Australia. It was organised as a lead-up tournament to the 2021 Australian Open, and was held at the same venue, due to other tournaments in Australia being cancelled as a result from the COVID-19 pandemic. This tournament took place simultaneously with the second week of the 2021 Australian Open.

Singles

 * 🇷🇺 Daria Kasatkina def. 🇨🇿 Marie Bouzková 4–6, 6–2, 6–2

Doubles

 * 🇮🇳 Ankita Raina / 🇷🇺 Kamilla Rakhimova def. 🇷🇺 Anna Blinkova / 🇷🇺 Anastasia Potapova 2–6, 6–4, [10–7]

Prize money

 * per team

Seeds
a Rankings are as of 8 February 2021

Other entrants
The following players received wildcards into the singles main draw:
 * 🇦🇺 Destanee Aiava
 * 🇨🇦 Bianca Andreescu
 * 🇦🇺 Kimberly Birrell
 * 🇦🇺 Olivia Gadecki
 * 🇺🇸 Sofia Kenin

The following players used a protected ranking to enter the singles main draw:
 * 🇬🇧 Katie Boulter
 * 🇨🇳 Zhu Lin

The following players received entry from the qualifying draw:
 * 🇩🇪 Mona Barthel
 * 🇷🇴 Mihaela Buzărnescu
 * 🇦🇺 Lizette Cabrera
 * 🇬🇧 Francesca Jones
 * 🇺🇸 Varvara Lepchenko
 * 🇨🇦 Rebecca Marino
 * 🇮🇳 Ankita Raina
 * 🇷🇺 Kamilla Rakhimova

The following players received entry as lucky losers:
 * 🇦🇺 Gabriella Da Silva-Fick
 * 🇷🇴 Monica Niculescu
 * 🇺🇦 Lesia Tsurenko

Withdrawals

 * Before the tournament
 * 🇷🇺 Ekaterina Alexandrova → replaced by 🇺🇦 Lesia Tsurenko
 * 🇺🇸 Amanda Anisimova → replaced by 🇦🇺 Ajla Tomljanović
 * 🇺🇸 Catherine Bellis → replaced by 🇷🇺 Daria Kasatkina
 * Belinda Bencic → replaced by 🇯🇵 Nao Hibino
 * 🇺🇸 Jennifer Brady → replaced by 🇨🇳 Zhu Lin
 * 🇫🇷 Fiona Ferro → replaced by 🇺🇸 Lauren Davis
 * 🇺🇸 Coco Gauff → replaced by 🇲🇪 Danka Kovinić
 * Polona Hercog → replaced by 🇷🇴 Irina-Camelia Begu
 * 🇺🇸 Madison Keys → replaced by 🇷🇺 Anna Blinkova
 * 🇬🇧 Johanna Konta → replaced by 🇦🇺 Gabriella Da Silva-Fick
 * 🇷🇺 Veronika Kudermetova → replaced by 🇰🇿 Zarina Diyas
 * 🇷🇺 Svetlana Kuznetsova → replaced by 🇺🇸 Christina McHale
 * 🇹🇳 Ons Jabeur → replaced by 🇺🇸 Madison Brengle
 * 🇵🇱 Magda Linette → replaced by 🇯🇵 Misaki Doi
 * 🇧🇪 Elise Mertens → replaced by 🇬🇧 Katie Boulter
 * 🇫🇷 Kristina Mladenovic → replaced by 🇧🇾 Aliaksandra Sasnovich
 * 🇪🇸 Garbiñe Muguruza → replaced by 🇷🇴 Ana Bogdan
 * Jeļena Ostapenko → replaced by 🇷🇺 Varvara Gracheva
 * 🇰🇿 Yulia Putintseva → replaced by 🇨🇳 Wang Yafan
 * 🇺🇸 Alison Riske → replaced by 🇷🇺 Anastasia Potapova
 * 🇰🇿 Elena Rybakina → replaced by 🇩🇪 Andrea Petkovic
 * 🇩🇪 Laura Siegemund → replaced by 🇧🇪 Greet Minnen
 * 🇨🇿 Barbora Strýcová → replaced by 🇭🇺 Tímea Babos
 * 🇵🇱 Iga Świątek → replaced by 🇷🇺 Liudmila Samsonova
 * Donna Vekić → replaced by 🇦🇺 Maddison Inglis
 * 🇨🇿 Markéta Vondroušová → replaced by 🇮🇹 Sara Errani
 * 🇬🇧 Heather Watson → replaced by 🇮🇹 Elisabetta Cocciaretto
 * 🇺🇦 Dayana Yastremska → replaced by 🇪🇸 Sara Sorribes Tormo
 * 🇨🇳 Zhang Shuai → replaced by 🇷🇴 Monica Niculescu


 * During the tournament
 * 🇪🇸 Sara Sorribes Tormo

Retirements

 * 🇰🇿 Zarina Diyas
 * 🇲🇪 Danka Kovinić
 * 🇷🇴 Patricia Maria Țig

Seeds
b Rankings are as of 8 February 2021.

Other entrants
The following pair received a wildcard into the doubles main draw:
 * 🇦🇺 Destanee Aiava / 🇦🇺 Charlotte Kempenaers-Pocz

Withdrawals

 * During the tournament
 * 🇦🇺 Kimberly Birrell / 🇦🇺 Olivia Gadecki
 * 🇯🇵 Misaki Doi / 🇯🇵 Nao Hibino
 * 🇨🇿 Marie Bouzková / 🇪🇸 Sara Sorribes Tormo