Russian tennis player Karen Khachanov could not overcome the barrier of the first round of the Doha tournament, losing in two sets to Swiss Stan Wawrinka – 6/7 (7), 4/6. For 1 hour and 42 minutes of the fight, the 11th racket of the world, 22-year-old Karen, completed six aces and was not mistaken when serving. 33-year-old Stan, who occupies 66th place in the ATP rating, took the opponent’s serve once, made seven votes and made a mistake once. The Swiss increased the lead in the personal meetings of the players – 2: 0. In the second round of the Qatar ExxonMobil Open competition, Wawrinka .