series, surpassing Mikhail Youzhny. There, he defeated Dean O'Brien of South Africa to help Russia advance in the 2013 Davis Cup Europe/Africa Zone Group I. He finished the season by playing at the two Challengers, reaching the quarterfinal in Geneva and then the first round in Helsinki. After a slow start at the Chennai Open and two lower-ITF tournaments, Khachanov then played at the Davis Cup. He lost to Jerzy Janowicz of Poland in the first round of the 2014 Davis Cup Europe/Africa Zone Group I. He then continued with no success at one ITF event and Challenger events in Kazakhstan. However, he then made his Masters debut, after receiving a wildcard entry to the 2014 Miami Open, but lost in the first round to Daniel Gimeno-Traver. In August, he achieved his first significant result, winning his first ITF title at the $15K event in Kaohsiung. Two weeks later, he won another ITF title at the $15K event in Mulhouse. For the second year in a row, he got a wildcard for the Kremlin Cup, but again lost in the first round. Despite playing at a few ATP Tour events in previous years, in 2015 Khachanov played mostly at ITF and Challenger tournaments, with some success. In the first half of the year, he won two $10K/15K events in France, both in March. In April he reached the semifinal and won the title at the $15K events in Uzbekistan. After that came some good results at the Challengers. In June, he advanced to the quarterfinal in Fergana and then the semifinal in Marburg. His next step was Wimbledon, in his first Grand Slam qualification appearance. He lost in the first round of qualifications. Later, at the US Open, he also failed to qualify for the main draw, this time losing in the second round of qualifications. In mid-July, he faced Pablo Andujar in the second round of the 2015 Davis Cup Europe/Africa Zone Group I. He lost that match in three sets. In September 2015, Khachanov won his first ATP Challenger Tour title in Istanbul, where he was unseeded. In the final he defeated top seed Sergiy Stakhovsky. He followed up this performance and finished the year with four consecutive Challenger quarterfinals, in Mons, Rennes, Brest and Mouilleron-le-Captif. 2016: First ATP title, Grand Slam debut Khachanov made progress during 2016, however bigger results came in the second half of the