Martin Willem Verkerk is a retired professional Dutch tennis player. He reached the final of the French Open in 2003 and achieved a career-high singles ranking of No. 14 in September 2003. During his career, he won two ATP singles titles.

Luis Horna Biscari is a former tour professional tennis player from Peru, who turned professional in 1998. Known by his nickname "Lucho", he won 2 career singles titles, reached the quarterfinals of the 2004 Madrid Masters and achieved a career-high singles ranking of World No. 33 in August 2004.