| Champ: |  Maria Sharapova |
| Runner: |  Lindsay Davenport |
| Score: | 6–1, 3–6, 7–6(7–5) |
| Type: | singles doubles |
| Draw: | 28 (4 / 2) |
| Seeds: | 8 |
| Before Name: | Toray Pan Pacific Open – Singles |
| After Name: | Toray Pan Pacific Open – Singles |
| Main Name: | Pan Pacific Open |
Maria Sharapova defeated the two-time defending champion Lindsay Davenport in the final, 6–1, 3–6, 7–6(7–5) to win the singles tennis title at the 2005 Pan Pacific Open.[1]
The top four seeds received a bye into the second round.