| 1999 Heineken Open | |
|---|---|
| Date | 11–18 January |
| Edition | 32nd |
| Category | World Series |
| Draw | 32S / 16D |
| Prize money | $325,000 |
| Surface | Hard / outdoor |
| Location | Auckland, New Zealand |
| Venue | ASB Tennis Centre |
| Champions | |
| Singles | |
| | |
| Doubles | |
| | |
The 1999 Heineken Open was a men's ATP tennis tournament held in Auckland, New Zealand. It was the 32nd edition of the tournament and was held from 11 January to 18 January 1999 and was played on outdoor hard courts. Unseeded Sjeng Schalken won the singles title.
Sjeng Schalken defeated
Tommy Haas 6–4, 6–4
Jeff Tarango /
Daniel Vacek defeated
Jiří Novák /
David Rikl 7–5, 7–5