1999 IGA SuperThrift Tennis Classic – Singles
| Singles | |
|---|---|
| 1999 IGA SuperThrift Tennis Classic | |
| Champion | Venus Williams |
| Runner-up | Amanda Coetzer |
| Score | 6–4, 6–0 |
| Draw | 30 |
| Seeds | 8 |
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.