2023 Toray Pan Pacific Open – Singles
| Singles | |
|---|---|
| 2023 Toray Pan Pacific Open | |
| Champion | Veronika Kudermetova |
| Runner-up | Jessica Pegula |
| Score | 7–5, 6–1 |
| Draw | 28 |
| Seeds | 8 |
Veronika Kudermetova defeated Jessica Pegula in the final, 7–5, 6–1 to win the singles tennis title at the 2023 Toray Pan Pacific Open.
Liudmila Samsonova was the defending champion, but lost in the second round to Ekaterina Alexandrova.
This was the final professional appearance of former world No. 30 Misaki Doi. She lost to Maria Sakkari in the second round.