What's going on in tennis today?
Russian makes major breakthrough.
No excuses offered by world number one.
Russian impressing the world number one.
No title for Djokovic in Cincinnati.
Nick Kyrgios takes another swipe at Rafael Nadal.
Andy Murray finds out his draw for Winston-Salem Open.
Jamie victorious in battle of Murray brothers.
World No 1 Novak Djokovic is two wins away from successfully defending his Cincinnati title.
Andy Murray says he "chatted a little bit" to Nick Kyrgios.