There are 9 ATP Masters tournaments on the men’s tour (sometimes called ATP Masters 1000). Most Masters tournaments have a 56-player draw, except Indian Wells and Miami. Indian Wells and Miami have a 96-player draw. Paris Masters and Canadian Open have a 48-player draw.
| Tournament Name | Country | Began | Surface | Draw Size |
| Indian Wells Masters | United States | 1987 | Hard | 96 |
| Miami Open | United States | 1985 | Hard | 96 |
| Monte-Carlo Masters | Monaco | 1897 | Clay | 56 |
| Madrid Open | Spain | 2002 | Clay | 56 |
| Italian Open | Italy | 1930 | Clay | 56 |
| Canadian Open | Canada | 1881 | Hard | 48 |
| Cincinnati Masters | United States | 1899 | Hard | 56 |
| Shanghai Masters | China | 2009 | Hard | 56 |
| Paris Masters | France | 1969 | Hard (indoor) | 48 |
Indian Wells and Miami Masters have a bigger draw because they are one-and-half week tournaments whereas the other Masters tournaments are one-week events. The 96 players in Indian Wells and Miami are placed in a 128-player draw. The 32 seeded players get a bye in the first round and don’t play until the first weekend.
Indian Wells and Miami Masters are called the “Sunshine Double” and they are played back-to-back over four weeks in March. Both men’s and women’s events are held at the same time at these two tournaments. Indian Wells is sometimes known as the “Fifth Grand Slam”.