The ATP Tour showcases the best male tennis athletes in the world at some of the most popular tennis venues. It is the governing body of the men's professional tennis circuits. There are 64 tournaments in 31 countries, and take place in some of the world's most exciting venues. In 1988, ATP CEO Hamilton Jordan gave the now famous "press conference in the parking lot." He stated that tennis was at a crossroads and needed to fix some of the problems that were present. The best option available to the ATP was the formation of the ATP tour, which was officially established in 1990.
The tour comprises the ATP 1000, ATP 500, and ATP 250. The ATP 250 is the lowest tier of men's tournaments, and has about 40 tournaments with 250 ranking points to each champion. The ATP 500 is the 4th highest tier of tournaments, and winners are awarded 500 ranking points. The ATP 1000 is the third highest behind the grand slams and the finals, and winners are awarded 1000 ranking points.
In 1973, the ATP started a rankings system that is still in place today. The ranking system provides fair analysis of a player's performance as well as an objective means to determine entries into tournaments. You can also earn ATP ranking points at Grand Slam events, but they are not official ATP events.
At the end of the season, the world's top eight qualified singles players and doubles teams qualify to compete for the final title of the season at the Nitto ATP Finals. The event is held at The O2 in London, as players battle to claim the prestigious year-end No. 1 Ranking.