Singles | |
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1999 Swisscom Challenge | |
Champions |
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Runners-up |
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Final score | 6–3, 6–4 |
The 1999 Swisscom Challenge – Singles was the singles event of the sixteenth edition of the Swisscom Challenge; a WTA Tier I tournament and the most prestigious tournament held in Switzerland. Lindsay Davenport was the two-time defending champion, but she did not compete this year.
Venus Williams won in the final 6–3, 6–4 against home player and World No. 1 Martina Hingis.
The top four seeds received a bye to the second round.