2022 Toray Pan Pacific Open

The 2022 Toray Pan Pacific Open was a professional women's tennis tournament played on outdoor hard courts. It was the 37th edition of the Pan Pacific Open, and part of the WTA 500 tournaments of the 2022 WTA Tour. It took place at the Ariake Coliseum in Tokyo, Japan. It was the first event since 2019, with the 2020 and 2021 events cancelled due to the COVID-19 pandemic.

Singles

 * Liudmila Samsonova def. 🇨🇳 Zheng Qinwen 7–5, 7–5

This is Samsonova's third singles title of the season and fourth of her career.

Doubles

 * 🇨🇦 Gabriela Dabrowski / 🇲🇽 Giuliana Olmos def. 🇺🇸 Nicole Melichar-Martinez / 🇦🇺 Ellen Perez 6–4, 6–4

Seeds

 * Rankings are as of September 12, 2022

Other entrants
The following players received wild cards into the main singles draw:
 * 🇯🇵 Mai Hontama
 * 🇯🇵 Yuki Naito
 * 🇰🇿 Elena Rybakina

The following player used a protected ranking to enter the main draw:
 * 🇺🇸 Sofia Kenin

The following players received entry from the singles qualifying draw:
 * 🇲🇽 Fernanda Contreras Gómez
 * Despina Papamichail
 * 🇦🇺 Ellen Perez
 * 🇯🇵 Rina Saigo
 * 🇧🇬 Isabella Shinikova
 * 🇨🇳 You Xiaodi

Withdrawals

 * Before the tournament
 * 🇷🇴 Sorana Cîrstea → replaced by 🇦🇺 Daria Saville
 * Daria Kasatkina → replaced by 🇨🇳 Wang Xinyu
 * 🇰🇿 Yulia Putintseva → replaced by 🇨🇳 Wang Qiang
 * Aryna Sabalenka → replaced by 🇺🇸 Claire Liu


 * During the tournament
 * 🇯🇵 Naomi Osaka (abdominal pain)

Retirements

 * 🇦🇺 Daria Saville (torn ACL)

Seeds

 * Rankings are as of September 12, 2022

Other entrants
The following pair received a wildcard into the doubles main draw:
 * 🇯🇵 Misaki Doi / 🇯🇵 Kurumi Nara

The following pair received entry as alternates:
 * 🇯🇵 Mai Hontama / 🇯🇵 Yuki Naito

Withdrawals

 * Before the tournament
 * 🇧🇷 Beatriz Haddad Maia / 🇨🇳 Zhang Shuai → replaced by 🇯🇵 Mai Hontama / 🇯🇵 Yuki Naito
 * 🇨🇳 Xu Yifan / 🇨🇳 Yang Zhaoxuan → replaced by 🇯🇵 Miyu Kato / 🇨🇳 Wang Xinyu