Played since 1899, the Western & Southern Open, originally known as the Cincinatti open, is a hardcourt tournament that is ATP World Tour Masters 1000 event and a WTA Premier 5 event. Matches will be played at the Lindner Family Tennis Center in Mason, Ohio. Bet on tennis matches at Bookmaker sportsbook!

Online Tennis Betting Odds: Last year's Western & Southern Open produced champions in Roger Federer and Kim Clistjers. With more than $2.4 million in prize money and valuable tour points at stake, expect the world's top men and women players to make their way to the Midwest for non-stop tennis action. And if you bet on tennis, Bookmaker sportsbook has got you covered with all the latest odds.

The 2011 entrants list is still being finalized, but you can bet on both the men's and women's field to be littered with top-20 players. Make sure to keep checking back as the start date draws near, as you'll likely see some futures bets for top-ranked players.

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Log into Bookmaker to bet on the 2011 Western & Southern Financial Group Masters. Bookmaker is the nation's leading online sportsbook and the premier site to bet on tennis. Sign up today and get access to all the latest match odds, futures, prop bets and more. Make sure you're placing your bets where the line originates!