Challenger Tour and Futures Tournaments

The Challenger Tour for men is the lowest level of tournament administered by the ATP. It is composed of roughly 160 events and, as a result, features a more diverse range of countries hosting events. The majority of players use the Challenger Series to work their way up the rankings, including World No. 1s Pete Sampras, Marcelo Ríos, Patrick Rafter, and Gustavo Kuerten. Andre Agassi, between winning Grand Slam titles, plummeted to World No. 141 and used Challenger Series events for match experience and to progress back up the rankings. The Challenger Series offers prize funds of between US$25,000 and US$150,000.
Below the Challenger Series are the Futures Tournaments, the main events on the ITF Men's Circuit. These tournaments also contribute towards a player's ATP rankings points. Futures Tournaments offer prize funds of between US$10,000 and US$15,000; however, futures status is granted only to events offering a total of US$30,000, meaning that two or three tournaments are played. Approximately 400 Futures Tournaments are played each year.