Roger Federer, the four-time Olympian and all-time great tennis champion, announced Tuesday that he would not represent Switzerland in the Tokyo 2020 Olympics, saying that a recent setback with his knee forced the decision.
원문출처 : https://www.cnn.com/2021/07/13/us/roger-federer-olympics/index.html
원문출처 : https://www.cnn.com/2021/07/13/us/roger-federer-olympics/index.html