23 Tomáš Berdych, earning his first ATP main draw win. 8 Gilles Simon in the first round, despite serving for the match at ninth game of the third set.
He then completed two victories in the Davis Cup against Hungary.
He then lost in the second round to Martin Fischer in straight sets at the American Express – TED Open.
As the 2008 winner of the US Open Boys Tournament he was granted a wildcard for the US Open Qualification Tournament.
In Wimbledon where he got a wildcard as the 2008 Juniors Champion he won the first set of his first round match against Igor Kunitsyn but then suffered a knee injury.
Despite this he attempted to continue but lost the following 10 games before he retired.
Dimitrov is also the first (and only) Bulgarian male tennis player to win an ATP title in singles (after he won in October 2013 at Stockholm) and reach a final in doubles (in 2011) as well as the only Bulgarian male player to reach the third round or better at a Grand Slam tournament.
His first ATP level match was at the Ordina Open where he lost to Igor Andreev in straight sets.
He won his first round match against Tobias Kamke but in the second round lost to the number 1 seed of the qualification Thomaz Bellucci.
Dimitrov won his first doubles challenger title at the ATP Challenger Trophy with Teymuraz Gabashvili beating Jan Minář and Lukáš Rosol.
He then attempted to qualify for the Australian Open, but lost in the first round to Robert Kendrick in three sets.
He bounced back a week later by qualifying at the Honolulu Challenger, but lost to Donald Young in the second round.