The 1999 IGA SuperThrift Classic singles was the singles event of the fourteenth edition of the IGA SuperThrift Classic; a WTA Tier III tournament held in Oklahoma City, United States. First-seded Venus Williams was the defending champion and won in the final 6–4, 6–0 against third-seeded Amanda Coetzer.
Seeds The top two seeds received a bye to the second round.
Draw
Finals
Top half
Bottom half
Qualifying
Seeds
Qualifiers
Qualifying draw
First qualifier
Second qualifier
Third qualifier
Fourth qualifier
External links ITF tournament edition details Tournament draws