| 1999 Eurocard Open | |
|---|---|
| Date | 25–31 October |
| Edition | 4th |
| Category | ATP Super 9 |
| Draw | 48S / 24D |
| Prize money | $2,200,000 |
| Surface | Hard / indoor |
| Location | Stuttgart, Germany |
| Venue | Schleyerhalle |
| Champions | |
| Singles | |
 Thomas Enqvist[1] | |
| Doubles | |
Jonas Björkman /  Byron Black[2] | |
The 1999 Stuttgart Masters (known as the Eurocard Open for sponsorship reasons) was a men's tennis tournament played on indoor hard courts. It was the 4th edition of the Stuttgart Masters, and was part of the ATP Super 9 of the 1999 ATP Tour. It took place at the Schleyerhalle in Stuttgart, Germany, from 25 October through 31 October 1999. Thomas Enqvist, seeded 13th, won the singles title.
- ^ "1999 Stuttgart – Singles draw". Association of Tennis Professionals (ATP).
- ^ "1999 Stuttgart – Doubles draw". Association of Tennis Professionals (ATP).