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cheap tennis balls for dogs rnationalTennis Federation, ITF), the International Women's tennis ball Association (Women's Tennis Association, WTA) and other international organizations to coordinate tennis ball . After 40 years of operation, the system matches the modern professional tennis ball movement has become mature and stable. Currently, the men's professional tournament by four Grand Slam tournaments and the ATP World Tour constitute two plates. Four Grand Slam tournaments, including the Australian Open tennis ball (AustralianOpen, referred to as the Australian Open), Roland Garros (Roland Garros, commonly known as the French Open, the French Open for short), the Wimbledon Championships (WimbledonChampionships, referred to as Wimbledon), American tennis ball Open (US Open, referred to as America network). This four races are non-ATP tournament. Managed by ATP events including the ATP World Tour (ATP World Tour), ATP Challenge (ATP ChallengerTour), ATP Championship (ATP ChampionsTour, commonly known as the senior tour) three categories. ATP for the ATP World Tour's main events, professional players available based on their world ranking tournament to qualify different. ATP World Tour consists of three levels: ATP World Tour Masters 1000 tournament, ATP World Tour 500, ATP World Tour 250 tournament. ATP World Tour 2014 schedule includes nine stations 1000 season, 11 points 500 race, 40-station 250 races. Depending on the level of each races, the tournament winner will receive