Thomas Muster is an Austrian former world No. 1 tennis player. One of the world's leading clay court players in the 1990s, he won the 1995 French Open and at his peak was called "The King of Clay". In addition, he won eight Masters 1000 Series titles. Muster is one of the nine players to win Super 9/ATP Masters Series/ATP World Tour Masters 1000 titles on clay, hardcourt and carpet.

Michael Detlef Stich is a German former professional tennis player. He won the men's singles title at Wimbledon in 1991, the men's doubles titles at both Wimbledon and the Olympic Games in 1992, and was a singles runner-up at the 1994 US Open and the 1996 French Open. Stich won 18 singles titles and ten doubles titles. His career-high singles ranking was world No. 2, achieved in 1993.