2022 Toray Pan Pacific Open – Singles
| Singles | |
|---|---|
| 2022 Toray Pan Pacific Open | |
| Champion | Liudmila Samsonova |
| Runner-up | Zheng Qinwen |
| Score | 7–5, 7–5 |
| Draw | 28 |
| Seeds | 8 |
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.