Updated

Andre Agassi, John McEnroe, Pete Sampras, Jimmy Connors and other Grand Slam champions will play a series of matches around the country in October and November.

Patrick Rafter, Jim Courier, Michael Chang, Mats Wilander and Todd Martin are also scheduled to compete in the four-player mini-tournaments. Each event will feature one-set semifinals and a one-set title match.

Formerly known as the Champions Series, the PowerShares Series will open Oct. 13 in Surprise, Ariz., and wrap up Nov. 30 in Anaheim, Calif. Other cities visited include Chicago, Detroit, Boston, Philadelphia, New York, Tampa, Fla., Atlanta, San Jose, Calif., Las Vegas and Denver.

The players will earn points over the course of the series, with the top three finishers splitting a $1 million purse.