The Frenchman had made the best start against the Russian (number 11 seed), before being physically caught and losing in five sets. Lestienne, who suffered a calf injury in April in Munich, did not hold the shock physically, visibly complaining of both his calves being tightened in compression socks and massaged at the end of the third set.
"I was playing against him, the crowd, myself, against everyone," said the 27-year-old Russian. In the second round, Khachanov will face Moldovan qualifier Radu Albot.