1999 AAPT Championships – Singles

Thomas Enqvist defeated Lleyton Hewitt 4–6, 6–1, 6–2 to secure the title.

Seeds

 * 1) 🇦🇺 Patrick Rafter (second round)
 * 2) 🇸🇪 Thomas Enqvist (champion)
 * 3) 🇧🇷 Gustavo Kuerten (second round)
 * 4) 🇦🇺 Jason Stoltenberg (semifinals)
 * 5)  Byron Black (quarterfinals)
 * 6) 🇺🇸 Michael Chang (second round)
 * 7) 🇩🇪 Nicolas Kiefer (first round)
 * 8) 🇦🇷 Mariano Puerta (first round)