| Details | |
|---|---|
| Duration | March 5 – November 8 |
| Edition | 10th |
| Tournaments | 9 |
| Achievements (singles) | |
| Most tournament titles |  Gustavo Kuerten (2) |
| Most tournament finals |  Richard Krajicek Gustavo Kuerten  Patrick Rafter  Marcelo Ríos (2) |
← 1998 2000 → | |
The 1999 ATP Super 9 (also known as Mercedes-Benz Super 9 for sponsorship reasons) were part of the 1999 ATP Tour, the elite tour for professional men's tennis organised by the Association of Tennis Professionals.