Defending champion Martina Hingis defeated Sandrine Testud in the final, 6–3, 7–5 to win the singles tennis title at the 2000 Pan Pacific Open.
Seeds
The top four seeds received a bye into the second round.
Draws
Key
Finals
Top half
Bottom half
References
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| Grand Slam events |  | 
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| Tier I tournaments |  | 
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| Tier II tournaments | 
- Sydney (S, D)
 
- Paris (S, D)
 
- Hannover (S, D)
 
- Scottsdale (S, D)
 
- Amelia Island (S, D)
 
- Hamburg (S, D)
 
- Eastbourne (S, D)
 
- Stanford (S, D)
 
- San Diego (S, D)
 
- Los Angeles (S, D)
 
- New Haven (S, D)
 
- Filderstadt (S, D)
 
- Tokyo (S, D)
 
- Linz (S, D)
 
- Leipzig (S, D)
 
- Philadelphia (S, D)
  
  | 
|---|
| Tier III tournaments | 
- Gold Coast (S, D)
 
- Oklahoma City (S, D)
 
- Bol (S, D)
 
- Madrid (S, D)
 
- Strasbourg (S, D)
 
- Birmingham (S, D)
 
- 's-Hertogenbosch (S, D)
 
- Klagenfurt (S, D)
 
- Sopot (S, D)
 
- Luxembourg (S, D)
 
- Tokyo (S, D)
 
- Quebec City (S, D)
 
- Kuala Lumpur (S, D)
  
  | 
|---|
| Tier IV tournaments | 
- Auckland (S, D)
 
- Hobart (S, D)
 
- Bogota (S, D)
 
- Sao Paulo (S, D)
 
- Estoril (S, D)
 
- Budapest (S, D)
 
- Warsaw (S, D)
 
- Antwerp (S, D)
 
- Tashkent (S, D)
 
- Palermo (S, D)
 
- Knokke-Heist (S, D)
 
- Shanghai (S, D)
 
- Bratislava (S, D)
 
- Pattaya (S, D)
  
  | 
|---|
| Team events |  | 
|---|
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