Grigor Dimitrov knows a bit about navigating grass-court draws.
The 2014 Queen's Club champion reached his first Grand Slam semifinal at Wimbledon last summer, losing to eventual-champion Novak Djokovic.
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Returning to London this week, Dimitrov has spent some time hanging around the tube.
The world No. 11 showed some pedal power, too.
Dimitrov hit with fellow Wimbledon semifinalist Milos Raonic at Queen's Club.
Taking a break from training, Dimitrov took to the train. How far will Dimitrov go at SW19 this month?
Sunk in thoughts!
A photo posted by Grigor Dimitrov (@grigordimitrov) on
Photo credit: @GrigorDimitrov