James Scott Connors is an American former world No. 1 tennis player. He held the top Association of Tennis Professionals (ATP) ranking for a then-record 160 consecutive weeks from 1974 to 1977 and a career total of 268 weeks. By virtue of his long and prolific career, Connors still holds three prominent Open Era men's singles records: 109 titles, 1,557 matches played, and 1,274 match wins. His titles include eight major singles titles, three year-end championships, and 17 Grand Prix Super Series titles. In 1974, he became the second man in the Open Era to win three major titles in a calendar year, and was not permitted to participate in the fourth, the French Open. Connors finished year end number one in the ATP rankings from 1974 to 1978. In 1982, he won both Wimbledon and the US Open and was ATP Player of the Year and ITF World Champion. He retired in 1996 at the age of 43.
Evonne Fay Goolagong Cawley is an Australian former world No. 1 tennis player. Goolagong was one of the world's leading players in the 1970s and early 1980s.
Stefan Bengt Edberg is a Swedish former professional tennis player. A major proponent of the serve-and-volley style of tennis, he won six Grand Slam singles titles and three Grand Slam men's doubles titles between 1985 and 1996. He is one of only two men in the Open Era to have been ranked world No. 1 in both singles and doubles. He also won the Masters Grand Prix and was a part of the Swedish Davis Cup-winning team four times. In addition, he won four Masters Series titles, four Championship Series titles and the unofficial 1984 Olympic tournament, was ranked in the singles top 10 for ten successive years, and ranked 9 years in the top 5.
Jan Kodeš is a Czech former tennis player who won three Grand Slam singles events in the early 1970s.
John David Newcombe AO OBE is an Australian former professional tennis player. He is one of the few men to have attained a world No. 1 ranking in both singles and doubles. At the majors, he won seven singles titles and a former record 17 men's doubles titles. He also contributed to five Davis Cup titles for Australia during an age when the Davis Cup was deemed as significant as the majors. Tennis magazine rated him the 10th best male player of the period 1965–2005.
Robert Lutz is a former amateur and professional tennis player of the 1960s and 1970s. He and his longtime partner Stan Smith were one of the best doubles teams of all time. Bud Collins ranked Lutz as world No. 7 in singles in 1972. Between 1967 and 1977, he was ranked among the top-10 American players eight times, with his highest ranking being No. 5 in both 1968 and 1970.
Thomas Samuel Okker is a Dutch former tennis player who was active from the mid-1960s until 1980. He won the 1973 French Open Doubles, the 1976 US Open Doubles, and two gold medals at the 1965 Maccabiah Games. He was ranked among the world's top-ten singles players for seven consecutive years, 1968–74, reaching a career high of world No. 3 in 1974. He also was ranked world No. 1 in doubles in 1969.
Sven Lennart Bergelin was a Swedish tennis player and coach. As a player, for AIK, Bergelin won nine Swedish championship singles titles between 1945 and 1955, and the French Open doubles title in 1948. Bergelin is best known for his work with Björn Borg, whom he trained between 1971 and 1983, helping him to win 11 Grand Slam tournaments. Bergelin also captained Sweden to its first Davis Cup title.
Peter Blair Fleming is an American former professional tennis player. In his doubles partnership with John McEnroe, he won 52 titles, of which seven were at Grand Slams. As a singles player, he peaked at world No. 8, winning three titles.
Jim Grabb is an American former professional tennis player. In doubles, he won the 1989 French Open and the 1992 US Open. He was ranked the world No. 1 doubles player in both 1989 and in 1993. His best singles ranking of world No. 24, he achieved in 1990.
Joanna Mary Durie is a former world No. 5 tennis player from the United Kingdom. During her career, she also reached No. 9 in doubles, and won two Grand Slam titles, both in the mixed doubles with Jeremy Bates.
Françoise Dürr is a retired French tennis player. She won 50 singles titles and over 60 doubles titles.
Harold Solomon is an American former professional tennis player who played during the 1970s and 1980s. He achieved a career-high world ranking of No. 5 in singles in 1980, and of No. 4 in doubles in 1976. Over the course of his career, he won 22 singles titles.
Marty Riessen is an American former amateur and professional tennis player active from the 1960s to the 1980s. He was ranked as high as No. 11 in the world in singles on the ATP rankings in September 1974, though was ranked as high as world No. 8 by Lance Tingay of The Daily Telegraph in 1971 before the computer rankings. Renowned for his doubles play, Riessen was also a regular doubles partner of Australian tennis great Margaret Court, winning six of his seven major mixed titles and a career Grand Slam alongside her. Additionally a winner of two men's doubles Grand Slams, his highest doubles ranking was No. 3 in March 1980.
Ilana Sheryl Kloss is a former professional tennis player, tennis coach, and commissioner of World TeamTennis, since 2001. She was the World's No. 1 ranked doubles player in 1976, World No. 19 in singles in 1979. She won the Wimbledon juniors singles title in 1972, the US Open juniors singles title in 1974, and the US Open Doubles and French Open Mixed Doubles titles in 1976.
Àlex Corretja i Verdegay is a former professional tennis player from Spain. During his career, he was twice a Grand Slam runner-up at the French Open and won the ATP Tour World Championships in 1998, reaching a career-high singles ranking of world No. 2 in 1999. He also played a key role in helping Spain win its first-ever Davis Cup title in 2000.
William E. Murphy was an American Championship Tennis player and Coach. In 1938 and 1939, Murphy and his twin brother, Chet, won consecutive Big Ten Conference doubles championships while competing for the University of Chicago. Murphy won the 1939 Singles title at the Western Tennis Association tournament in Chicago. In 1941, he earned a Master's Degree in Physical Education from George Williams College in Chicago. He was a War hero in World War II as a dive bomber pilot in the Pacific, making a bomb hit that helped sink the Worlds Largest Japanese battleship Yamato. He received the Navy Cross for that sinking. In 1948, he became the coach of the University of Michigan tennis team, where he remained for 21 years until 1969. He led Michigan to Eleven Big Ten Team Championships and the NCAA Team Championship in 1957. In 1970, he became the tennis coach at the University of Arizona and retired in 1981. He remained in Tucson and died in 2005 at age 87.
Mate Pavić is a Croatian professional tennis player. He is currently ranked world No. 1 in men's doubles.
Erik van Dillen is an American retired tennis player who played over 25 Grand Slam championships at Australian Open, French Open, Wimbledon and US Open.
The 2021 ATP Tour was the global elite men's professional tennis circuit organised by the Association of Tennis Professionals (ATP) for the 2021 tennis season. The 2021 ATP Tour calendar comprised the Grand Slam tournaments, the ATP Finals, the ATP Tour Masters 1000, the ATP Cup, the ATP Tour 500 series and the ATP Tour 250 series. Also included in the 2021 calendar were the Davis Cup, the Summer Olympics in Tokyo, Next Gen ATP Finals, Laver Cup, none of which distributed ranking points.
United States 
