2022 Toray Pan Pacific Open – Singles

Liudmila Samsonova defeated Zheng Qinwen in the final, 7–5, 7–5 to win the singles tennis title at the 2022 Pan Pacific Open. She did not drop a set en route to her third title of the season. By reaching her first WTA Tour final as a 19-year-old, Zheng became the first Chinese teenager to contest a WTA singles final.

Naomi Osaka was the defending champion from when the event was last held in 2019, but withdrew from her second round match against Beatriz Haddad Maia.

Seeds
The top four seeds received a bye into the second round. • # 🇪🇸 Paula Badosa (second round)

• # 🇫🇷 Caroline Garcia (second round)

• # 🇪🇸 Garbiñe Muguruza (quarterfinals)

• # Veronika Kudermetova (semifinals)

• # 🇧🇷 Beatriz Haddad Maia (quarterfinals)

• # 🇨🇿 Karolína Plíšková (second round)

• # 🇺🇸 Alison Riske-Amritraj (first round)

• # 🇰🇿 Elena Rybakina (first round)

Seeds
• # 🇵🇱 Katarzyna Kawa (first round)

• # 🇲🇽 Fernanda Contreras Gómez (qualified)

• # 🇨🇦 Carol Zhao (qualifying competition)

• # Despina Papamichail (qualified)

• # 🇧🇬 Isabella Shinikova (qualified)

• # 🇺🇸 Danielle Lao (qualifying competition)

• # 🇯🇵 Kurumi Nara (qualifying competition)

• # 🇺🇸 Sophie Chang (first round)

• # 🇯🇵 Kyōka Okamura (qualifying competition)

• # 🇨🇳 You Xiaodi (qualified)

• # 🇦🇺 Ellen Perez (qualified)

• # 🇯🇵 Himeno Sakatsume (qualifying competition)

Qualifiers
• # 🇯🇵 Rina Saigo

• # 🇲🇽 Fernanda Contreras Gómez

• # 🇨🇳 You Xiaodi

• # Despina Papamichail

• # 🇧🇬 Isabella Shinikova

• # 🇦🇺 Ellen Perez