Nicholas Hilmy Kyrgios is an Australian professional tennis player. Kyrgios achieved his career-high ATP singles ranking of world No. 13 on 24 October 2016. He has won seven ATP Tour singles titles, including the 2019 and 2022 Washington Open, and reached eleven finals, most notably a major final at the 2022 Wimbledon Championships, and a Masters 1000 final at the 2017 Cincinnati Masters. In doubles, during his professional career, Kyrgios has a career-high ranking of world No. 11, achieved on 7 November 2022, winning a major doubles title at the 2022 Australian Open and reaching the semifinals of the Miami Open, both times partnering with Thanasi Kokkinakis. He has also reached three major singles quarterfinals.

Athanasios "Thanasi" Kokkinakis is an Australian professional tennis player. He has been ranked as high as world No. 65 in singles by the ATP, achieved on 6 November 2023. He has won one ATP Tour title in singles and produced his best Major singles performance by reaching the third rounds at the 2015 and 2023 French Open. Kokkinakis also has a career-high doubles ranking of world No. 15 attained on 21 November 2022 after winning the 2022 Australian Open and reaching the semifinals of the 2022 Miami Open with countryman Nick Kyrgios.