The ATP defined the ATP Race as "an easy-to-understand, simple-to-follow annual race from season start to season end. Every player starts at zero at the beginning of the year and the player who accumulates the most points by season's end is the World Number 1" and claims that the Race "is the mathematical method of ranking male professional tennis players on a calendar-year basis."

According to the ATP: "Every player, regardless of his performances in the previous year, starts with zero points. Players count 18 performances in their INDESIT

Indesit

Indesit Company, an Italian multinational company based in Fabriano, Ancona province, Italy, a leading appliance manufacturer in Europe.- History :...

 ATP 2005 Race total. Players eligible to enter the Grand Slams and Tennis Masters Series events must count those events and their best five other results from the International Series events. The Tennis Masters Cup will count as an additional 19th tournament for the eight players who qualify."

During the 2009 ATP rebranding, the ATP Race ranking system was discarded in favour of solely having the calendar year ranking system.

List of ATP Race champions

Year	Champion	Points
2000	Gustavo Kuerten Gustavo Kuerten Gustavo Kuerten is a retired former World No. 1 tennis player from Brazil. He won the French Open three times between 1997 and 2001, and was the Tennis Masters Cup champion in 2000...	839
2001	Lleyton Hewitt Lleyton Hewitt Lleyton Glynn Hewitt born 24 February 1981) is an Australian professional tennis player and former world no. 1.In 2000, Hewitt had won ATP titles on all three major surfaces and reached one final on carpet. By 2001, he became the youngest male ever to be ranked no. 1 at the age of 20...	897
2002	Lleyton Hewitt Lleyton Hewitt Lleyton Glynn Hewitt born 24 February 1981) is an Australian professional tennis player and former world no. 1.In 2000, Hewitt had won ATP titles on all three major surfaces and reached one final on carpet. By 2001, he became the youngest male ever to be ranked no. 1 at the age of 20...  (2)	873
2003	Andy Roddick Andy Roddick Andrew Stephen "Andy" Roddick is an American professional tennis player and a former World No. 1. He is currently the second highest-ranked American player, behind Mardy Fish....	907
2004	Roger Federer Roger Federer Roger Federer is a Swiss professional tennis player who held the ATP no. 1 position for a record 237 consecutive weeks, and 285 weeks overall. As of 28 November 2011, he is ranked World No. 3 by the Association of Tennis Professionals . Federer has won a men's record 16 Grand Slam singles titles...	1,267
2005	Roger Federer Roger Federer Roger Federer is a Swiss professional tennis player who held the ATP no. 1 position for a record 237 consecutive weeks, and 285 weeks overall. As of 28 November 2011, he is ranked World No. 3 by the Association of Tennis Professionals . Federer has won a men's record 16 Grand Slam singles titles...  (2)	1,345
2006	Roger Federer Roger Federer Roger Federer is a Swiss professional tennis player who held the ATP no. 1 position for a record 237 consecutive weeks, and 285 weeks overall. As of 28 November 2011, he is ranked World No. 3 by the Association of Tennis Professionals . Federer has won a men's record 16 Grand Slam singles titles...  (3)	1,674
2007	Roger Federer Roger Federer Roger Federer is a Swiss professional tennis player who held the ATP no. 1 position for a record 237 consecutive weeks, and 285 weeks overall. As of 28 November 2011, he is ranked World No. 3 by the Association of Tennis Professionals . Federer has won a men's record 16 Grand Slam singles titles...  (4)	1,436
2008	Rafael Nadal Rafael Nadal Rafael "Rafa" Nadal Parera is a Spanish professional tennis player and a former World No. 1. , he is ranked No. 2 by the Association of Tennis Professionals...	1,335
2009	Roger Federer Roger Federer Roger Federer is a Swiss professional tennis player who held the ATP no. 1 position for a record 237 consecutive weeks, and 285 weeks overall. As of 28 November 2011, he is ranked World No. 3 by the Association of Tennis Professionals . Federer has won a men's record 16 Grand Slam singles titles...  (5)	1,055

See also

• ATP World Tour records
• ATP World Tour Awards
• ATP World Tour Masters 1000
  ATP World Tour Masters 1000
  The ATP World Tour Masters 1000 is a series of nine tennis tournaments that are part of the Association of Tennis Professionals tour, held annually throughout the year in Europe, North America and Asia...
  
  
• List of ATP number 1 ranked players
• Tennis statistics
  Tennis statistics
  The following Wikipedia articles list tennis statistics:*ATP World Tour records*WTA Tour records*Grand Slam *List of Grand Slam related tennis records*List of non-Grand Slam tennis statistics and records...
  
  
• Tennis male players statistics
  Tennis male players statistics
  -Professional tennis before the start of the open era:Before the start of the open era in 1968, the professional circuit was much less popular than the traditional amateur circuit. For example, Wimbledon in 1957 was a success despite its being an amateur-only tournament and exclusion of Pancho...