
The official rankings for professional snooker players are known as the world snooker ranks. These rankings are used to determine who automatically qualifies for World Snooker Tour events. The World Professional Billiards and Snooker Association maintains the rankings. In addition to providing players with an idea of their ranking, they provide useful statistics on the sport.
Judd Trump
Judd Trump is currently ranked among the top 10 in the world snooker rankings. He is well known for his stunning breaks and his dominance in the sport. He has won 23 ranking title, including the global championship. At 33 years old, he's still quite young and can stay at the top for at least another decade. He may be worn down by the grind and his age.
Mark Selby
Mark Selby from England is one the most renowned players in the game. He is an English Under-15 champion, and a recent World Snooker Championship champ. He has also a background in pool. He was the 2006 WEPF Eight-Ball Pool Champion and a finalist in 2015's Chinese Pool World Championship. Selby was born in Leicester, England. Malcolm Thorne, Willie Thorne's brother, was Selby’s coach.

Ronnie O'Sullivan
Ronnie O'Sullivan spent over 280 weeks at number one in world snooker. After reaching semi-finals in the Tour Championship's Tour Championship, his most recent move made him ahead Mark Selby. In May 2002, the Scot became world number one. Since then, he has won 31 ranking titles. Six World Championship titles, five UK Championships are just a few of his accomplishments.
Mark Williams
Mark Williams is the current number 10, and one of the top snooker players worldwide. In 1995, the Welshman made it into the elite by winning the Benson & Hedges Masters and the Welsh Open. He made a respotted in the final to win the title. He was also the fourth player to win all three ranking tournaments in 1998.
Graeme Dott
Graeme Dott has won two ranking titles and reached the final of the China Open in 2010. However, his form has been inconsistent since then. He has openly discussed his struggle with depression. The Australian ranks in the bottom half of world snooker rankings. However, he has a strong record at home.
Dott's career
Since turning professional in 1994, Graeme Dott has steadily climbed the world snooker rankings. In 2001, he reached the top 16 and remained there until 2009. He reached quarter-finals in the Welsh Open 1996 and 1997. He was second in the 1999 Scottish Open, and third in the 2001 British Open. He also finished second at the 2004 World Championship and the 2005 Malta Cup. In 1999, he made his first competitive break of 147 at the British Open.

Dott's ranking
Dott's ranking in the world snooker rankings has fluctuated over the years. He has been in the top 16 on six occasions. He was number two in the 2007/8 season. Dott's rank has fallen since then.
Mark Williams' ranking
The world snooker ranking of Mark Williams has steadily increased over the past few decades. He has won numerous tournaments, including the Players Championship Grand Finals in 2000. He also defeated Ronnie O'Sullivan in the final. He has been ranked number one in the world on numerous occasions. He was defeated by Anthony Hamilton in Beijing Open's final in 2001. This was his greatest ranking win.