Lindsay Davenport defeated the two-time defending champion Martina Hingis in the final, 6–7(4–7), 6–4, 6–2 to win the singles tennis title at the 2001 Pan Pacific Open.
Seeds A champion seed is indicated in bold text while text in italics indicates the round in which that seed was eliminated. The top four seeds received a bye to the second round.
Martina Hingis (final) Lindsay Davenport (champion) Anna Kournikova (semifinals) Amanda Coetzer (second round) Sandrine Testud (second round) Elena Likhovtseva (second round) Lisa Raymond (second round) Magdalena Maleeva (semifinals)
Draw
Final
Top half
Bottom half
References 2001 Toray Pan Pacific Open draw