ATP rankings

The Association of Tennis Professionals' system for ranking men's tennis players by points earned at tournaments over a rolling 52-week period.

ATP ranking points: Points awarded to men's tennis players for results at ATP Tour tournaments and other eligible events. Tournament results contribute different point totals, forming the basis of each player's ranking.
ATP Race to Turin: A calendar-year points standings that determines qualification for the ATP Finals. It tracks one season's results rather than a rolling 52-week period.
Tennis seeding: The placement of selected players in a tournament draw to reduce early matchups between top contenders. Tournament seeds are generally assigned using player rankings.
Association of Tennis Professionals: The organization founded in 1972 to represent professional men's tennis players and operate the ATP Tour. The ATP administers the rankings and the tour whose results feed them.
ATP Tour: The worldwide professional men's tennis tour organized by the Association of Tennis Professionals. Its tournaments supply most of the results used to calculate the rankings.
ATP Doubles Rankings: The ATP's separate ranking system for men's doubles players. It ranks doubles performance, not the singles results represented by ATP rankings.
Grand Slam tournaments: The four major annual tennis tournaments: the Australian Open, French Open, Wimbledon, and US Open. Rankings help determine direct entry and seed placement at the majors.
ATP computer rankings: The computerized men's tennis rankings introduced by the ATP in 1973. Their introduction established a consistent, results-based ranking for professional men's tennis.
ATP entry list: The list used to determine direct acceptance into ATP tournaments, based primarily on player rankings. Rank position affects which tournaments a player can enter directly.
WTA rankings: The Women's Tennis Association's ranking system for professional women's tennis players. It is the parallel system for women's professional tennis.

Linked from 8 pages