Tennis players at the 2008 Summer Olympics

Roger Federer is a Swiss former professional tennis player. He was ranked as the world No. 1 in men's singles by the Association of Tennis Professionals (ATP) for 310 weeks, including a record 237 consecutive weeks, and finished as the year-end No. 1 five times. Federer won 103 singles titles on the ATP Tour, the second most since the start of the Open Era in 1968, including 20 major men's singles titles and six year-end championships.

Rafael "Rafa" Nadal Parera, 1st Marquess of Llevant de Mallorca is a Spanish former professional tennis player. He was ranked as the world No. 1 in men's singles by the Association of Tennis Professionals (ATP) for 209 weeks, and finished as the year-end No. 1 five times. Nadal won 92 ATP Tour singles titles, with 22 major titles—including a record 14 French Open titles—as well as 36 Masters titles and an Olympic gold medal. Nadal is one of three men to complete the career Golden Slam in singles. His 81 consecutive wins on clay constitute the longest single-surface win streak in the Open Era.

Novak Djokovic is a Serbian professional tennis player. Djokovic has been ranked as the world No. 1 in men's singles by the Association of Tennis Professionals (ATP) for a record 428 weeks, finished as the year-end No. 1 a record eight times, and has been ranked No. 1 at least once in a year for a record 13 different years. He has won 101 ATP Tour–level singles titles, including a record 24 majors, a record 40 Masters, a record seven year-end championships, and an Olympic gold medal. Djokovic is the only man in tennis history to be the reigning champion of all four majors at once across three different surfaces. In singles, he is the only man to achieve a triple Career Grand Slam, and the only player to complete a Career Golden Masters, a feat he has accomplished twice. Djokovic is the only player in singles to have won all of the Big Titles over the course of his career.

American tennis player (1981)

American tennis player (born 1980)

British tennis player (born 1987)

Belarusian tennis player

Danish tennis player

Stanislas "Stan" Wawrinka is a Swiss professional tennis player. He has been ranked as high as world No. 3 in singles by the ATP. Wawrinka has won 16 ATP Tour-level singles titles, including three majors at the 2014 Australian Open, 2015 French Open, and the 2016 US Open, where he defeated the world No. 1 player in the final on all three occasions. He has also won an Olympic gold medal in men's doubles at the 2008 Beijing Olympics partnering Roger Federer, and was pivotal in the Swiss team's victory at the 2014 Davis Cup.

Indian tennis player

Chinese tennis player

Czech tennis player

Serbian tennis player

American tennis player

Australian tennis player (born 1984)

Italian tennis player

Russian tennis player

Russian tennis player

Russian tennis player

Australian tennis player and tennis coach

Polish tennis player

Croatian tennis player (born 1988)

Japanese tennis player

French tennis player (born 1986)

Spanish tennis player (born 1982)

Argentine tennis player (1982-)

Italian tennis player

Russian tennis player

Czech tennis player (born 1985)

Russian tennis player

Slovak tennis player

Russian female tennis player

Slovak tennis player

Italian tennis player

Chinese female tennis player

Swedish tennis player

Indian tennis player

French tennis player

Chinese female tennis player (1986-)

American tennis player

Indian tennis player

Chilean tennis player

Estonian tennis player (born 1985)

Serbian tennis player

Russian tennis coach and tennis player (born 1982)

Spanish tennis player

American tennis player

Czech tennis player

South African tennis player

Belarusian tennis player

Zimbabwean tennis player

Latvian tennis player (born 1988)

Italian female tennis player

Spanish tennis player

Israeli female tennis player

French tennis player

Swedish tennis player

American tennis player

Chilean tennis player and coach

American tennis player