in the first round, then in the second round another wildcard – No. 164 Marius Copil – 2–1 sets, coming back from a set down, winning the deciding set on a tie-break. However, in what was his first loss against the Czech out of three matches between them, in round three he lost 2–1 sets to sixth seed No. 6, Tomáš Berdych, after winning the first set. Dimitrov then played at the Italian Open, where he was again seeded 12th. He beat No. 47 Édouard Roger-Vasselin 2–1 sets, No. 52 Ivo Karlović 2–0 sets, then sixth seed, Tomáš Berdych, 2–1 for a third victory against the Czech out of four matches between them, then 15th seed Tommy Haas in the quarterfinals, after the German retired while losing 1–0 in sets. In what was the fifth match between them and the first match that Dimitrov was unable to win a set in, he lost 2–0 sets to first seed, Rafael Nadal, in the semifinals. This reaching of the Rome semifinal was Dimitrov's best ATP Masters performance. He also successfully played in the Rome doubles with partner Lukáš Rosol and they beat unseeded world No. 4 Colombian pair Juan Sebastián Cabal and Robert Farah Maksoud in the first round 2–0 sets, winning both sets on a tie-break. In the second and third rounds, they beat second seeded Austrian-Brazilian duo of Alexander Peya and Bruno Soares then unseeded Marin Čilić and Santiago González, both 2–1 sets. They lost 2–0 sets to undeeded Robin Haase and Feliciano López in the semifinals. This performance meant Dimitrov reached a new career-best singles ranking of 12th, and also moved 58 places up the doubles rankings, to No. 84. He then played at French Open, where he was seeded 11th. In round one he lost 3–0 sets to big-serving No. 37 Ivo Karlović, whom he recently beat in Rome. In June 2014, Dimitrov played at the Queens grass-court event, where he was seeded fourth and had a bye into round two. He beat local No. 168 James Ward in round two, then No. 53 Édouard Roger-Vasselin in the third round, both 2–0 sets. Dimitrov was due to play eighth seed Alexandr Dolgopolov in the quarterfinals, but received a walkover when the Ukrainian retired before the match, citing a thigh injury. Dimitrov then faced first seed, Stan Wawrinka, in the semifinals, and won in straight sets. Dimitrov claimed his