But he had some knee issue earlier in the tournament, when he had it taped during his win against Karen Khachanov in the third round. For del Potro, it was an odd way to return to an important summit.

Karen Khachanov, born on May 21, 1996, in Moscow, Russia, is a professional tennis player of Russian-Armenian descent. He has won seven ATP singles titles, including the prestigious 2018 Paris Masters ...

Gastao Elias upset Juan Martin del Potro to book an Open Parc Auvergne ... He will meet Karen Khachanov following the Russian's 6-2 7-6 (7-3) triumph over Jordan Thompson. Third seed Tomas Berdych ...