Andre Agassi and Dani Vallverdu watch on as Grigor Dimitrov trains at the Australian Open.

Grigor Dimitrov speaks to his coach Andre Agassi, a former No. 1 and Australian Open champion, in Melbourne.

Grigor Dimitrov will begin his 2019 Australian Open campaign against Janko Tipsarevic.

Grigor Dimitrov will try to win his second Brisbane International title this week.

Grigor Dimitrov converts all three break points to advance on Monday at the Brisbane International.

Grigor Dimitrov and Taylor Fritz visit B. Lucky and Sons gaming arcade ahead of the Brisbane International.

Grigor Dimitrov and Taylor Fritz contest a different kind of rally at B. Lucky and Sons gaming arcade ahead of the Brisbane International.

Grigor Dimitrov, with Andre Agassi in his corner, will look to finish his season strong at the Rolex Paris Masters.

Third seed Grigor Dimitrov copes well with a late change of opponent on Tuesday to start his China Open campaign.

Alexander Zverev, Juan Martin del Potro and Grigor Dimitrov enjoy the China Open player party in Beijing.

Grigor Dimitrov did not win as many points as #NextGenATP Frances Tiafoe on Thursday (107-106), but the Bulgarian advanced to the quarter-finals.

Grigor Dimitrov overcomes a 2/4 deficit in a third-set tie-break to oust #NextGenATP American Frances Tiafoe in Toronto.

Grigor Dimitrov will look to win back-to-back matches for the first time since Roland-Garros on Thursday.

Grigor Dimitrov takes his place alongside hockey pros on the black team for the shootout during the Sportsnet Ball Hockey Challenge in Toronto.

Fifth seed Grigor Dimitrov will look to turn his season around with a deep run at the Rogers Cup in Toronto.

Grigor Dimitrov falls to 19-13 in 2018 after losing to Stan Wawrinka in the first round at Wimbledon.

Grigor Dimitrov loses an opening-round match for the fifth time this season, falling against Stan Wawrinka at Wimbledon.

Grigor Dimitrov, who owns a 15-8 record at The Championships, will meet Stan Wawrinka in the first round.

Fabio Fognini, Grigor Dimitrov and Stefanos Tsitsipas celebrate the 150th anniversary of the All England Lawn Tennis and Croquet Club alongside Andrea Petkovic.

Grigor Dimitrov improves to 3-0 in his FedEx ATP Head2Head series against Damir Dzumhur at The Queen's Club on Tuesday.

Grigor Dimitrov, who is the second seed in singles at The Queen's Club, fell in doubles alongside Ryan Harrison on Monday.

Grigor Dimitrov, who had four set points in the first set against Fernando Verdasco on Friday, is disappointed by his Roland Garros third-round exit.

Grigor Dimitrov will try to reach the fourth round in Roland Garros for the first time.

Grigor Dimitrov hits 31 winners to overcome lucky loser Mohamed Safwat in just over two hours on Sunday.

Grigor Dimitrov beats Mohamed Safwat in straight sets to reach the second round at Roland Garros on Sunday.