Canadian tennis player most famous winning the 2014 Wimbledon men's doubles championship with partner Jack Sock. He has also won doubles titles at events like the Dunlop Orange Bowl.
He competed in his first International Tennis Federation event in 2005, reaching the final of the Canadian Under-18 ITF World Ranking event.
He has been dominant at the ATP Challenger Tour and ITF Futures, winning fourteen singles titles from September 2009 and August 2014.
His brother, Petr, has been a teacher at Vancouver's Kitsilano Secondary School.
He won the Men's Rimouski Challenger doubles championship alongside partner Milos Raonic.