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.[1][2]
Martina Hingis was the reigning champion, but did not compete this year. Hingis would retire from professional tennis one month later.[3]
Seeds
The first four seeds received a bye into the second round.