Japan's Shingo Kunieda, considered one of the greatest wheelchair tennis players of all time, said Sunday he has hung up his racket.The 38-year-old Kunieda, a winner of 28 Grand Slam titles and three Paralympic gold medals in the men's singles, retired while at the top of the world rankings.He won his third Paralympic gold in Tokyo in 2021 and completed his career Grand Slam by winning Wimbledon last year. He also won 22 Grand Slam doubles titles."I topped the year-end rankings for the 10th time last year, so I have concluded that I have done enough," Kunieda said on his Twitter account."I …READ FULL ARTICLE
