Roger Federer held the top spot in the ATP rankings for a record 237 consecutive weeks from February 2, 2004, to August 17, 2008.

Novak Djokovic has won 22 Grand Slam titles in the Open Era, the most by any player.

Steffi Graf achieved the Career Golden Slam in singles by winning all four Grand Slam tournaments and the Olympic gold medal in 1988.

Serena Williams has won the WTA Tour Finals title a record five times.

Martina Navratilova was the first player to be ranked No. 1 in both the ATP and WTA rankings, achieving this feat in 1978.

Steffi Graf spent a record 377 weeks at the top of the WTA rankings.

Rod Laver was the first player to win the Australian Open, French Open, and Wimbledon in the same year, achieving this feat twice, in 1962 and 1969.

The United States has won the Davis Cup a record 32 times.

Bill Tilden was the first player to win the US Open three consecutive times, achieving this feat from 1920 to 1922.

The United States has won the Fed Cup a record 18 times.

Roger Federer was the first player to win the Wimbledon Championships nine times, achieving this feat in 2017.

Venus Williams has won four Olympic gold medals in tennis, the most by any player.

Björn Borg was the first player to win the French Open four consecutive times, achieving this feat from 1978 to 1981.

Novak Djokovic has won a record 38 ATP Masters 1000 titles.

Rod Laver was the first player to win the Australian Open, French Open, Wimbledon, and US Open in the same calendar year, achieving this feat twice, in 1962 and 1969.