2021 Phillip Island Trophy – Singles

The Phillip Island Trophy was a new addition to the WTA Tour in 2021.

Daria Kasatkina won the title, defeating Marie Bouzková in the final, 4–6, 6–2, 6–2.

Seeds
The top eight seeds received a bye into the second round.

🇺🇸 Sofia Kenin (second round) 🇨🇦 Bianca Andreescu (semifinals) 🇬🇧 Johanna Konta (withdrew) Petra Martić (quarterfinals) 🇨🇳 Wang Qiang (third round) 🇨🇳 Zhang Shuai (withdrew) 🇷🇺 Anastasia Pavlyuchenkova (third round) 🇺🇸 Danielle Collins (semifinals)

🇺🇸 Sloane Stephens (first round) 🇫🇷 Caroline Garcia (first round) 🇨🇳 Zheng Saisai (first round) 🇦🇷 Nadia Podoroska (first round) 🇨🇿 Marie Bouzková (final) Anastasija Sevastova (first round) 🇫🇷 Alizé Cornet (first round) 🇸🇪 Rebecca Peterson (quarterfinals)

Seeds
• # 🇷🇴 Mihaela Buzărnescu (qualified)

• # 🇦🇺 Lizette Cabrera (qualified)

• # 🇷🇴 Monica Niculescu (qualifying competition, lucky loser)

• # 🇺🇦 Lesia Tsurenko (qualifying competition, lucky loser)

• # 🇷🇺 Kamilla Rakhimova (qualified)

• # 🇯🇵 Mayo Hibi (qualifying competition)

• # 🇮🇳 Ankita Raina (qualified)

• # 🇺🇸 Varvara Lepchenko (qualified)

Qualifiers
• # 🇷🇴 Mihaela Buzărnescu

• # 🇦🇺 Lizette Cabrera

• # 🇬🇧 Francesca Jones

• # 🇩🇪 Mona Barthel

• # 🇷🇺 Kamilla Rakhimova

• # 🇨🇦 Rebecca Marino

• # 🇮🇳 Ankita Raina

• # 🇺🇸 Varvara Lepchenko

Lucky losers
• # 🇺🇦 Lesia Tsurenko

• # 🇷🇴 Monica Niculescu

• # 🇦🇺 Gabriella Da Silva-Fick