Daniil Medvedev loses cool again in Monte Carlo defeat by Karen Khachanov
Khachanov beats fellow Russian 6-3, 7-5 in last 16Medvedev launches outburst at officials during second setDaniil Medvedev was once again drawn into a heated exchange with an umpire before crashing out of the Monte Carlo Masters following a 6-3, 7-5 defeat by his fellow Russian Karen Khachanov in the last 16 on Thursday.The fourth seed, who had reached at …