Martin Štěpánek is a tennis coach and former professional player from the Czech Republic.

Sebastian Korda is an American professional tennis player. He has a career-high ATP singles ranking of world No. 23 achieved on 16 October 2023 and a doubles ranking of No. 57 reached on 6 May 2024. He has won one ATP singles, and one doubles title, at the 2024 Mutua Madrid Open. He also won the junior title at the 2018 Australian Open, 20 years after his father Petr Korda won the Australian Open title.