The 1999 Sydney International women's singles, was the singles event of the fourteenth edition of the adidas International, a WTA Tier II tournament and the second most prestigious women's tennis tournament held in Australia. Arantxa Sánchez Vicario was the defending champion but lost in the quarterfinals to Barbara Schett.
Lindsay Davenport won in the final 6–4, 6–3 against Martina Hingis.
Seeds The top four 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 Singles and Doubles Main draws