| Details | |
|---|---|
| Duration | March 5 – November 8 |
| Edition | 10th |
| Tournaments | 9 |
| Achievements (singles) | |
| Most titles |  Gustavo Kuerten (2) |
| Most 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.
| Masters | Singles champions | Runners-up | Score | Doubles champions | Runners-up | Score |
|---|---|---|---|---|---|---|
| Indian Wells Singles – Doubles | Mark Philippoussis* |  Carlos Moyà | 5–7, 6–4, 6–4, 4–6, 6–2 |  Wayne Black* |  Ellis Ferreira Rick Leach | 6–3, 6–4 |
| Sandon Stolle | ||||||
| Miami Singles – Doubles | Richard Krajicek |  Sébastien Grosjean | 4–6, 6–1, 6–2, 7–5 | Wayne Black Sandon Stolle |  Boris Becker Jan-Michael Gambill | 6–1, 6–1 |
| Monte Carlo Singles – Doubles | Gustavo Kuerten* | Marcelo Ríos | 6–4, 2–1 ret. | Olivier Delaître* Tim Henman* |  Jiří Novák David Rikl | 3–6, 6–4, 6–2 |
| Hamburg Singles – Doubles | Marcelo Ríos |  Mariano Zabaleta | 6–7(5–7), 7–5, 5–7, 7–6(7–5), 6–2 | Wayne Arthurs* Andrew Kratzmann* | Paul Haarhuis Jared Palmer | 4–6, 7–6, 6–4 |
| Rome Singles – Doubles | Gustavo Kuerten | Patrick Rafter | 6–4, 7–5, 7–6(8–6) | Ellis Ferreira Rick Leach | David Adams John–Laffnie de Jager | 6–7, 6–1, 6–2 |
| Montreal Singles – Doubles |  Thomas Johansson* |  Yevgeny Kafelnikov | 1–6, 6–3, 6–3 | Jonas Björkman Patrick Rafter | Byron Black Wayne Ferreira | 7–6, 6–4 |
| Cincinnati Singles – Doubles | Pete Sampras | Patrick Rafter | 7–6(9–7), 6–3 | Jonas Björkman Byron Black | Todd Woodbridge Mark Woodforde | 6–1, 2–6, 7–6 |
| Stuttgart Singles – Doubles | Thomas Enqvist | Richard Krajicek | 6–1, 6–4, 5–7, 7–5 | Jonas Björkman Byron Black | David Adams John–Laffnie de Jager | 6–3, 6–4 |
| Paris Singles – Doubles | Andre Agassi | Marat Safin | 7–6(7–1), 6–2, 4–6, 6–4 |  Sébastien Lareau Alex O'Brien | Paul Haarhuis Jared Palmer | 6–1, 6–3 |
| # | Player | IN | MI | MO | HA | RO | CA | CI | ST | PA | # | Winning span |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1. | Andre Agassi | - | 3 | - | - | - | 3 | 2 | - | 2 | 10 | 1990–1999 (10) |
| Pete Sampras | 2 | 2 | - | - | 1 | - | 3 | - | 2 | 10 | 1992–1999 (8) | |
| 3. |  Thomas Muster | - | 1 | 3 | - | 3 | - | - | 1 | - | 8 | 1990–1997 (8) |
| 4. | Michael Chang | 3 | 1 | - | - | - | 1 | 2 | - | - | 7 | 1990–1997 (8) |
| 5. | Jim Courier | 2 | 1 | - | - | 2 | - | - | - | - | 5 | 1991–1993 (3) |
| Boris Becker | - | - | - | - | - | - | - | 4 | 1 | 5 | 1990–1996 (7) | |
| Marcelo Ríos | 1 | 1 | 1 | 1 | 1 | - | - | - | - | 5 | 1997–1999 (3) | |
| 8. | Stefan Edberg | 1 | - | - | 1 | - | - | 1 | - | 1 | 4 | 1990–1992 (3) |
 Andrei Medvedev | - | - | 1 | 3 | - | - | - | - | - | 4 | 1994–1997 (4) | |
| 10. | Sergi Bruguera | - | - | 2 | - | - | - | - | - | - | 2 | 1991–1993 (3) |
| Andrei Chesnokov | - | - | 1 | - | - | 1 | - | - | - | 2 | 1990–1991 (2) | |
| Thomas Enqvist | - | - | - | - | - | - | - | 1 | 1 | 2 | 1996–1999 (4) | |
| Guy Forget | - | - | - | - | - | - | 1 | - | 1 | 2 | 1991 | |
 Goran Ivanišević | - | - | - | - | - | - | - | 1 | 1 | 2 | 1992–1993 (2) | |
| Richard Krajicek | - | 1 | - | - | - | - | - | 1 | - | 2 | 1998–1999 (2) | |
| Gustavo Kuerten | - | - | 1 | - | 1 | - | - | - | - | 2 | 1999 | |
| Patrick Rafter | - | - | - | - | - | 1 | 1 | - | - | 2 | 1998 | |
| Michael Stich | - | - | - | 1 | - | - | - | 1 | - | 2 | 1993 | |
| 19. | Juan Aguilera | - | - | - | 1 | - | - | - | - | - | 1 | 1990 |
| Àlex Corretja | - | - | - | - | 1 | - | - | - | - | 1 | 1997 | |
| Albert Costa | - | - | - | 1 | - | - | - | - | - | 1 | 1998 | |
| Roberto Carretero | - | - | - | 1 | - | - | - | - | - | 1 | 1996 | |
| Wayne Ferreira | - | - | - | - | - | 1 | - | - | - | 1 | 1996 | |
| Thomas Johansson | - | - | - | - | - | 1 | - | - | - | 1 | 1999 | |
| Petr Korda | - | - | - | - | - | - | - | 1 | - | 1 | 1997 | |
| Carlos Moyá | - | - | 1 | - | - | 1 | - | - | - | 1 | 1998 | |
| Karel Nováček | - | - | - | 1 | - | - | - | - | - | 1 | 1991 | |
| Mikael Pernfors | - | - | - | - | - | 1 | - | - | - | 1 | 1993 | |
| Mark Philippoussis | 1 | - | - | - | - | - | - | - | - | 1 | 1999 | |
| Greg Rusedski | - | - | - | - | - | - | - | - | 1 | 1 | 1998 | |
| Emilio Sánchez | - | - | - | - | 1 | - | - | - | - | 1 | 1991 | |
| Chris Woodruff | - | - | - | - | - | 1 | - | - | - | 1 | 1997 | |
| # | Player | IN | MI | MO | HA | RO | CA | CI | ST | PA | # | Winning span |