Nick Kyrgios let go of the rope late to fall in straight sets to Karen Khachanov in Miami.

Nick Kyrgios let go of the rope late to fall in straight sets to Karen Khachanov in Miami.

Nick Kyrgios let go of the rope late to fall in straight sets to Karen Khachanov in Miami.

Nick Kyrgios has endured another dispiriting defeat in his comeback, bagelled in the second set of his Miami Open defeat to Karen Khachanov.

Nick Kyrgios has endured another dispiriting defeat in his comeback, bagelled in the second set of his Miami Open defeat to Karen Khachanov.

Karen Khachanov ensured the Nick Kyrgios comeback trail was cut short, with the Russian star clinching a 7-6 (7/3), 6-0 straight sets win at the Miami...

Karen Khachanov ensured the Nick Kyrgios comeback trail was cut short, with the Russian star clinching a 7-6 (7/3), 6-0 straight sets win at the Miami...

Australia’s Nick Kyrgios has recovered from a slow start to beat American Mackenzie McDonald in the first round of the Miami Open. Kyrgios dropped...

Australia’s Nick Kyrgios has recovered from a slow start to beat American Mackenzie McDonald in the first round of the Miami Open. Kyrgios dropped...

The Aussie superstar was forced to stomach a ‘bagel’ in the crushing defeat.