Kyrgios: Grief held me back
Nick Kyrgios admits he has not fully committed to his career since the death of his grandmother two years ago.
The Australian, ranked 20th in the world, said: "I didn't get to spend the time with her I wanted to and tennis was the reason for that. It kept me away from her. It's something that still gnaws away at me.
"If I'm honest, I'd say I haven't committed to tennis the way the game needs me to since she died."