Alexander Peya (born June 27, 1980) is an Austrian male tennis player. He reached a career high singles ranking of No. 92 on April 30, 2007. His career high doubles ranking was No. 48 on January 15, 2007. He was born in Vienna, Austria, and currently resides there.

In September 2008 Peya helped Austria to a Davis Cup play-off win against Great Britain. Peya beat Alex Bogdanovic in four sets in the deciding rubber of the tie.

Bruno Soares (born February 27, 1982, in Belo Horizonte) is a professional tennis player from Brazil.

Soares's highest singles ranking on the ATP Tour is World No. 221, which he reached in March 2004. Primarily a doubles specialist, his career-high doubles ranking is World No. 14, reached on May 4, 2009. He and partner Dušan Vemić reached the semi-finals of the 2008 French Open, losing to eventual champions Pablo Cuevas and Luis Horna.

Oliver Marach (born July 16, 1980) is a professional Austrian tennis player. His highest ATP singles ranking is 82nd, which he reached on August 7, 2005. His career high in doubles is 8th, set at October 18, 2010.

Christopher Kas (born 13 June 1980 in Trostberg) is a professional German tennis player. His highest ATP singles ranking is No. 224, which he reached on 4 November 2002. His career high in doubles is No. 23 set at 3 November 2008.

Jürgen Melzer (born 22 May 1981 in Vienna) is an Austrian tennis player. He reached a career-high ranking of World No. 8 on 18 April 2011, and a doubles ranking of World No. 6 on 13 September 2010. He is the only current player on the ATP Tour to be ranked in the top 10 in both singles and doubles. He is a left-handed tennis player, but is right-handed in everyday life. He has a younger brother, Gerald Melzer, with whom he has played doubles in several tournaments.

In 1999, he won the boys' singles event at Wimbledon. For many years, he was known as one of the best players on the tour not to have progressed past the third round of a Grand Slam event. He ended this streak when he reached the semifinals of the French Open in 2010. He has also had success in doubles, winning the mens doubles event at Wimbledon in 2010 and the US Open in 2011 with Philipp Petzschner, as well as the mixed doubles event at Wimbledon in 2011 with Iveta Benešová.

He is endorsed by Adidas and Dunlop Sport. Melzer is currently coached by Joakim Nystrom.