ATP Tour Sued by Tournaments, Claiming Antitrust Violations

The ATP Tour Inc., the governing body of the men’s professional tennis circuit, has been sued by the organizers of two tournaments -- the Hamburg Masters Series and the Monte Carlo Masters Series.   Both tournaments claim the ATP, which plans to implement a so-called “Brave New World” restructuring plan in 2009, has violated U.S. antitrust laws by downgrading these tournaments, thus causing “irreparably damage” to their status.   The lawsuits, both filed in U.S. District Cour