Lindsay Davenport defeated Monica Seles in the final, 6–7(6–8), 6–1, 6–2 to win the singles tennis title at the 2003 Pan Pacific Open. It was her first title of the season, and the 38th of her career.
Martina Hingis was the reigning champion, but did not compete this year. Hingis would retire from professional tennis one month later.
Seeds The first four seeds received a bye into the second round.
Draw
Finals
Top half
Bottom half
Qualifying
Qualifying seeds
Qualifiers
Qualifying draw
First qualifier
Second qualifier
Third qualifier
Fourth qualifier
References
External links Main and qualifying draws (WTA) ITF tournament profile