| 1999 AAPT Championships | ||||
|---|---|---|---|---|
| Date | 4–11 January | |||
| Edition | 22nd | |||
| Category | World Series | |||
| Draw | 32S / 16D | |||
| Prize money | $325,000 | |||
| Surface | Hard / outdoor | |||
| Location | Adelaide, Australia | |||
| Champions | ||||
| Singles | ||||
 Thomas Enqvist | ||||
| Doubles | ||||
 Gustavo Kuerten / Nicolás Lapentti | ||||
| ||||
The1999 AAPT Championships was a men's ATPtennis tournament held inAdelaide, Australia and played on outdoorhardcourts. It was the 22nd edition of the tournament and was held from 4 to 11 January. Second-seededThomas Enqvist won his first title of the year and the 15th of his career.
Thomas Enqvist defeated
Lleyton Hewitt 4–6, 6–1, 6–2
Gustavo Kuerten /Nicolás Lapentti defeated
Jim Courier /Patrick Galbraith 6–4, 6–4