In tennis, the ATP Masters 1000 events, often shortened to Masters 1000 or ATP 1000, are an annual series of nine top-level tournaments featuring the elite men's players on the ATP Tour since 1990. The ATP 1000 tournaments along with the Grand Slam tournaments and the year-end championships make up the most coveted titles on the annual ATP Tour calendar. In addition to the quadrennial Olympics, they are collectively known as the 'Big Titles'.
Twelve tournaments have been held as ATP Masters 1000 events so far, nine each year. They have been played on three different surfaces: hard outdoors: Indian Wells Open, Miami Open, Canadian Open, Cincinnati Open and Shanghai Masters; hard indoors: Stockholm Open (1991âÂÂ94), Stuttgart Open (1998âÂÂ2001), Madrid Open (2002âÂÂ08) and Paris Masters; clay: Hamburg Masters (1990âÂÂ2008), Monte-Carlo Masters, Madrid Open and Italian Open; carpet indoors: Stockholm Open (1990), Stuttgart Open (1995âÂÂ97) and Paris Masters (1990âÂÂ2006).
85 champions in 318 events as of 2026 Miami Open.
The achievement of winning all of the nine active ATP Masters tournaments over the course of a player's career.
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<small>Djokovic won all current nine Masters series events, except ATP's now defunct Hamburg (clay) and Madrid (hard indoor) Masters events played in his career.</small>
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Statistics correct as of 2026 Miami Open. To avoid double counting, they are updated at the conclusion of a tournament or when the player's participation has ended.
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ATP Tour
WTA Tour