Nicky Kyrgios said he is "tired" and does not want to play tennis any more as he continues to recover from injury.
The 28-year-old Australian missed all four majors in 2023 because of wrist, knee and foot injuries.
On Saturday, Kyrgios said he will not take part in the Australian Open in January because of injury concerns.
"If it was up to me, I don't really want to play any more to be honest," Kyrgios told the On Purpose with Jay Shetty podcast.
"I have to [keep playing]. I've got so much more to give but, for me, I don't feel like playing any more.