World No. 1 tells Harper's Bazaar "I was born to do tennis."
The world No. 1 is raking in the dough in 2015.
In his ATP debut, 17-year-old Swedish wild card pulls off a stunner to thrill home fans.
World No. 1 says extending winning streak through the end of the season is "an option. It's a possibility."
Last year's finalist Dimitrov spoke before upcoming Stockholm Open.
Rafael Nadal has qualified for the ATP Finals for the eleventh time and Tomas Berdych will join him.
Former Roland Garros winner set to play doubles this week in Moscow.