List of world number one snooker players
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The sport of snooker has utilised a world rankings system since 1975, used to seed players on the World Snooker Tour for tournaments. Originally, rankings were published once a year at the conclusion of a season. Since 2010, however, the rankings were changed so that they would be updated after every ranking tournament.
The number one ranking has been held by thirteen players; Ray Reardon was the first to hold the position, and was followed by Cliff Thorburn, Steve Davis, Stephen Hendry, John Higgins, Mark Williams, Ronnie O'Sullivan, Neil Robertson, Mark Selby, Judd Trump, Ding Junhui and Mark Allen. The current world number one is Zhao Xintong.
Hendry held the number one position for the longest time under the annual format, holding it for nine years in total. Since it changed to a rolling format in 2010, Selby has held the rank longer than anyone else.
History
The sport of professional snooker first adopted a ranking system for the 1975–76 season, which saw Ray Reardon ranked in the top position. An Order of Merit was published in the 1975/76 season to determine the seedings for events, and the first set of official rankings the following year used the same criteria. Certain events carried ranking points, and at the end of the season, they were tallied.
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