Robert Charles "Bob" Bryan (born April 29, 1978) is an American male professional tennis player. With his twin brother Mike, he has spent over 200 weeks as a World No. 1 doubles player. He has won eighteen Grand Slam titles, 11 in men's doubles and seven in mixed doubles. He turned professional in 1998. The Bryan brothers were named ATP Team of the Decade for 2000–2009.

He finished the year as the number one ranked singles player in the nation in 1998 after winning the clay court nationals and reaching the finals of Kalamazoo. The brothers were back to back Kalamazoo doubles champions in 1995 and 1996 and won the US Open Junior doubles title in 1996.

He played for Stanford University in 1997 and 1998, where he helped the Cardinal win back-to-back NCAA team championships. In 1998, he won the "Triple Crown" by taking the NCAA singles, doubles (with his twin brother Mike), and team titles. He was the first man to accomplish this since Stanford's Alex O'Brien did it in 1992.^{[citation needed]}

Both brothers started their professional careers playing World TeamTennis for teams like the Idaho Sneakers through the current season for the Kansas City Explorers.

Michael Carl "Mike" Bryan (born April 29, 1978) is an American professional tennis player. He stands 6 ft 3 in (1.91 m) tall, weighs 192 lbs and plays right-handed. He turned professional in 1998. With his twin brother Bob, he has been World No. 1 doubles player for the last several years.

He played for Stanford University in 1997 and 1998, where he helped the Cardinal win back-to-back NCAA team championships. In 1998, he won the NCAA doubles title with his twin brother Bob.

Both brothers started their professional careers playing World TeamTennis for teams like the Idaho Sneakers through the current season for the Kansas City Explorers.

Together with his twin brother Bob he has been very successful in doubles. They have won 68 doubles titles (winning their record-setting 62nd title at the 2010 Farmers Classic in Los Angeles) including 11 Grand Slam titles. In 2005, he and Bob made it to the finals of all the 4 Grand Slam tournaments, only the second time such a feat has been achieved in the Open era. The Bryan Brothers are currently ranked No.1 in the ATP. Due to their success, they have been nicknamed The Wonder Twins after a fictional comic book duo.

Peter "Pete" Sampras (/ˈsæmprəs/; born August 12, 1971) is a retired Greek–American tennis player and former world number 1. During his 15-year tour career, he won 14 Grand Slam singles titles and became recognized as one of the greatest tennis players of all time.

Sampras debuted on the professional tour in 1988 and played his last top-level tournament in 2002 when he won the US Open, defeating rival Andre Agassi in the final. He was the year-end world no. 1 for six consecutive years (1993–1998), a record for the open era. His seven Wimbledon singles championships are also an Open Era record. He spent 286 weeks at no. 1, the most of any male player. His five US Open singles titles is an Open Era record shared with former world no. 1 players Jimmy Connors and Roger Federer. Sampras is the last American male to win Wimbledon (2000) and the ATP World Tour Finals (1999).

Eric "Booty" Butorac (born 22 May 1981 in Rochester, Minnesota) is an American tennis player. He is a doubles specialist, and has achieved some success in partnership with Britain's Jamie Murray, a fellow left-hander known as "Stretch". He was nicknamed 'Booty' by partner Murray. He attended Ball State University in Muncie, IN where he played on the Men's tennis team for one year before transferring to Gustavus Adolphus College in St. Peter, MN.

Eric's parents, Jan and Tim Butorac, are directors of the Rochester Tennis Connection (Indoor & Outdoor site) in Rochester, Minnesota. Eric's brother, Jeff Butorac, is the Assistant tennis coach to the University of Eau Claire Women's tennis team. Tim is a USPTA Professional, teaching tennis at the Rochester Indoor Tennis Club during the winter and at the Kutzky/Rochester Outdoor Tennis Center during the summer months.

In July 2006 Butorac and Murray reached their first ATP Tour doubles final, in Los Angeles, losing in straight sets to the Bryan brothers who were the world's top-ranked doubles team.

Raven Klaasen born October 16, 1982 in King William's Town, South Africa is a professional South African player on the Association of Tennis Professionals (ATP) Tour. Klaasen's career-high ranking was World Number 208, which he achieved on October 24, 2011. His current single ranking is 208.

He was recently defeated at the Hall of Fame Campbell's Tennis Championship by Olivier Rochus of Belgium.