Athanasios 'Thanasi' Kokkinakis (/θəˈnɑːsi ˌkɒkɪˈnɑːkɪs/ thə-NAH-see KOK-in-AH-kiss; born 10 April 1996) is an Australian professional tennis player and a doubles specialist. He has been ranked as high as world No. 69 in singles by the ATP, which he first achieved on 8 June 2015. He has won one ATP Tour title in singles and produced his best Major singles performance at the 2015 French Open by reaching the third round. Kokkinakis also has a career-high doubles ranking of world No. 15 which he attained on 21 November 2022 after winning the 2022 Australian Open and reaching the semifinals of 2022 Miami Open with countryman Nick Kyrgios. (Source: Wikipedia.org, CC BY-SA)