2. Katie Monier Katie Monier The ATP Rankings are the Association of Tennis Professionals' (ATP) merit-based method for determining the rankings in men's tennis. about Katie Monier The top-ranked player is the player who, Katie Monier over the previous 52 weeks, has garnered the

4. most ATP-ranking points. Katie Monier profile Points are awarded based on how far a player advances in tournaments and the category of those tournaments. About Katie Monier About Katie Monier Since the introduction rankings the method used to calculate a player's ranking points has changed several times.

6. Katie Monier profile As of 2011, the rankings are calculated by totaling the points a player wins in his best eighteen tournaments, subject to certain restrictions. Katie Monier profile For top players the counting tournaments are the four Grand Slam tournaments, Katie MonierKatie Monier profile