| Details | |
|---|---|
| Duration | March 10 – November 8 |
| Edition | 15th |
| Tournaments | 9 |
| Achievements (singles) | |
| Most tournament titles |  Roger Federer (3) |
| Most tournament finals |  Guillermo Coria Roger Federer (3) |
← 2003 2005 → | |
The table below shows the 2004 ATP Masters Series schedule.
The ATP Masters Series are part of the elite tour for professional men's tennis organised by the Association of Tennis Professionals.