Oliver Marach on Dominic Thiem: "I think he can become number one"

Oliver Marach and his partner Mate Pavic will face Dominic Thiem and Diego Schwartzman in the quarter-finals of the ATP Masters 1000 tournament in Madrid. The Grazer expects a "close" game, but also spoke about the state of Austrian tennis, the Davis Cup and a possible end of career in the exclusive Tennisnet interview.