500. Khachanov won his first ATP tournament there, beating Albert Ramos-Vinolas in three sets. He finished the year with his first ATP 500 quarterfinal run at the Vienna Open, where he recorded wins over Andreas Seppi and Nikoloz Basilashvili, before Ivo Karlovic defeated him. 2017: First top 10 win, First Grand Slam fourth round Thanks to big progress in the past, he was now able to avoid qualifications. He started the year with a win at the Qatar Open, but then lost to Ivo Karlovic in two tie breaks. He performed no better at the following Auckland Open, losing in the first round to Yen-Hsun Lu. He then made his main-draw debut at the Australian Open. His first opponent was Adrian Mannarino, whom Khachanov defeated in four sets. Against Jack Sock in the following round, he attempted to reach his first Grand Slam third round, but without success. His next step was participating at the Davis Cup against Serbia in the World Group. He lost his match against Viktor Troicki in five sets. Losses then continued for the next four tournaments: Open Sud de France, Rotterdam Open, Open 13 and Dubai Championships. At the Indian Wells, he passed the first round after defeating Tommy Robredo. In the following round, he lost to David Goffin. In late April, he reached his first quarterfinal of the year, at the ATP 500 Barcelona. There he defeated Thomaz Bellucci, Pablo Cuevas and top 10 David Goffin before losing to Horacio Zeballos. A month later he advanced to another quarterfinal, at the Lyon Open. He followed up this win with another great performance at the French Open. Wins over Nicolas Jarry and top 30 players, Tomas Berdych and John Isner, brought him to the fourth round at a Grand Slam for the first time in his career. He failed to reach his first Grand Slam quarterfinal, losing to Andy Murray. He continued with good performances, reaching the semifinal of the Halle Open. There he achieved his first win on grass over Gilles Simon, and then recorded his second career top 10 win, after defeating Kei Nishikori. He lost to Roger Federer and failed to reach the final. This result ensured him a first Grand Slam seed place at the following Grand Slam at Wimbledon. There, he also had another great result, reaching his first third round, after wins over Andrey Kuznetsov and Thiago Monteiro. He