Borna Ćorić is a Croatian professional tennis player. On 5 November 2018, he reached his best singles ranking of world No. 12. In 2022, Ćorić became the lowest-ranked champion in Masters 1000 history when he won the Cincinnati title. He is currently the No. 1 Croatian player.

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.