(Reuters) -Nick Kyrgios says he has a new lease on life on court after being amazed at sudden improvement in his long-term knee injury and the Australian hinted at a Grand Slam comeback at Melbourne Park if he makes it through a series of exhibition matches.

The 2022 Wimbledon finalist has dropped to 652nd in the world after playing only six matches in three years due to a succession of wrist and knee injuries, and would need a wildcard from organisers to compete at the Australian Open in January.

“I don’t know whether to call it a miracle or anything, but my knee feels like it’s gotten younger by a couple of years,” Kyrgios told the Australian Associated Press on Thursday.

The 30-year-old said that earlier in the year he was at the point where did not have any hope of being able to pla

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