2019 Toray Pan Pacific Open – Singles
| Singles | |
|---|---|
| 2019 Toray Pan Pacific Open | |
| Champion | Naomi Osaka |
| Runner-up | Anastasia Pavlyuchenkova |
| Score | 6–2, 6–3 |
| Draw | 28 |
| Seeds | 8 |
Karolína Plíšková was the defending champion, but chose to participate in Korea Open, instead.
Naomi Osaka became the first Japanese player (and the third overall) in 24 years to win the tournament, defeating Anastasia Pavlyuchenkova in straight sets.