What is western southern open 2015?

The Western & Southern Open, also known as the Cincinnati Masters, is a professional tennis tournament held annually in Mason, Ohio. The 2015 edition of the tournament took place from August 15 to August 23.

In the men's singles event, Roger Federer defeated Novak Djokovic in the final to claim his seventh Cincinnati Masters title. This win marked Federer's 24th ATP Masters 1000 title and his 87th career title overall.

In the women's singles event, Serena Williams defeated Simona Halep in the final to claim her second Western & Southern Open title. This win marked Williams' 69th career singles title and her 22nd WTA Premier title.

The 2015 edition of the Western & Southern Open featured top players from both the ATP and WTA tours, making it one of the most prestigious tennis tournaments of the summer hardcourt season.