Kim Clijsters was the defending champion , and successfully defended her 2009 title , after she won 6 -- 2 , 6 -- 1 , against Vera Zvonareva in the final . Kim Clijsters was the defending champion , and successfully defended her 2009 title , after she won 6 â `` 2 , 6 â `` 1 , against Vera Zvonareva in the final .