Serena Williams wins Cincinnati title in final US Open tune-up

Defending champion Serena Williams finished her last US Open tune-up in style by beating Romanian third seed Simona Halep 6-3 7-6(5) to win the Western & Southern Open on Sunday.For the top-seeded American, the Cincinnati triumph sent a message that she is in top form as she now sets her sights on a calendar sweep of the four grand slams at the August 31-September 13 US Open. 

About Serena Williams --Serena Jameka Williams is an American professional tennis player who is ranked No. 1 in women's singles tennis. The Women's Tennis Association (WTA) has ranked her world No. 1 in singles on six separate occasions. Williams holds the most major singles, doubles, and mixed doubles titles combined amongst active players, male or female. Her record of 36 major titles puts her fifth on the all-time list and first of the open era with: 21 in singles, 13 in women's doubles, and two in mixed doubles. She is the most recent player, male or female, to have held all four major singles titles simultaneously (2002–03 and 2014–15), and the fifth woman ever to do so. She is also the most recent player, together with her sister Venus Williams, to have held all four Grand Slam women's doubles titles simultaneously (2009–10). Her total of 21 Grand Slam singles titles is third on the all-time list behind Margaret Court (24) and Steffi Graf (22), and second in the Open Era, behind only Graf. She is the only tennis player—female or male—to have won singles titles at least six times in three of the four Grand Slam tournaments. She has won 13 Grand Slam doubles titles with her sister Venus and the pair are unbeaten in Grand Slam tournament finals.