Super Challenge: 02/2018, Grün, vert, verde - YouTube
Exhibition match on Kids Tennis Day held ahead of Australian Open 2017 - Xinhua | English.news.cn
Melbourne, Australia. 14th Jan, 2017. Roger Federer of Switzerland hits the ball during an exhibition match at Melbourne Park in Melbourne, Australia, Jan. 14, 2017. An exhibition match on Kids Tennis Day
Roger Federer of Switzerland participates in the Rod Laver Arena Spectacular as part of Kids Tennis Day at Melbourne Park in Melbourne, Saturday, January 13, 2018. (AAP Image/Julian Smith Stock Photo - Alamy