ultimately eliminate in-form Jack Sock in the semi-finals. Dimitrov won the biggest title of his career by defeating once again David Goffin in three tight sets in the final. He finished the tournament as an undefeated champion, receiving a prize of $2,549,000 and 1,500 ranking points, the latter helped him finish 2017 at a career-high world No. 3 (only behind Nadal and Federer). Dimitrov ended his 2017 season with these significant milestones [current figure in brackets]: (1) first Masters 1000 title (2) first ATP Finals crown, (3) 5 Tour finals, (4) four tour titles, (5) eight top-10 match wins [had 13 total prior to 2017], (6) 250 career match wins [257 match wins], (7) cracked $10,000,000 in career earnings [$13,103,976], (8) cracked $5,000,000 in a single season [$5,628,512], (9) second Grand Slam semifinal, (10) first Grand Slam semifinal on hard courts. 2018: Australian Open quarterfinal, Laver Cup win Dimitrov started his 2018 campaign in Brisbane, where he was the defending champion and top seed. He started from the second round with hard three set win against the home favourite and wild card John Millman, then overcame with another three setter the British number two Kyle Edmund. Dimitrov was eliminated in the semi-finals by the third seed and eventual champion Nick Kyrgios. The Bulgarian played in the doubles as well. Paired with Ryan Harrison, he reached the semifinals, before withdrawing. Having started his campaign at Australian Open with a couple of wins against qualifiers Dennis Novak and Mackenzie McDonald, Dimitrov was drawn against Andrey Rublev who had knocked him out in the second round of US Open several months before and took revenge, eliminating the 30th seeded Russian. Dimitrov then edged in form Nick Kyrgios in tight four sets to qualify for his third Australian Open quarter-final, where he lost to Kyle Edmund in four sets. In the following week Dimitrov stated that he had played the last matches with a shoulder injury. Failing to recover, the Bulgarian withdrew from the Sofia Open, where he was defending champion. In February, Dimitrov reached the final of the Rotterdam Open without dropping a set, defeating Yūichi Sugita, Filip Krajinovic, Andrey Rublev, and David Goffin en route, but eventually lost to Roger Federer, who would regain world No. 1 ranking after the tournament. Next, Dimitrov played in Dubai, where he was top seed, but was upset in the first round by Malek Jaziri. In