The 1974 U.S. Pro Tennis Championships was a men's tennis tournament played on outdoor green clay courts (Har-Tru) at the Longwood Cricket Club in Chestnut Hill, Massachusetts in the United States. It was classified as a Group AA category tournament and was part of the 1974 Grand Prix circuit. It was the 47th edition of the tournament and was held from August 20 through August 26, 1974. Fourth-seeded Björn Borg won the singles title and the accompanying $16,000 first prize money. En route to the final Borg survived match points in both his quarterfinal match against Marty Riessen and his semifinal match against Jan Kodeš. With his victory Borg became the youngest winner of the US Pro Championships at 18 years and two months, surpassing title-holder Jimmy Connors who did not defend his title but instead elected to play the Eastern Grass Court Championships in preparation for the US Open. After the final, which was watched by a crowd of almost 6,000, Okker commented "This was the first time I've played Björn Borg and at the moment I'm hoping it will be the last!".
The 1975 U.S. Pro Tennis Championships was a men's tennis tournament played on outdoor green clay courts (Har-Tru) at the Longwood Cricket Club in Chestnut Hill, Massachusetts in the United States. It was classified as a Group AA category tournament and was part of the 1975 Grand Prix circuit. It was the 48th edition of the tournament and was held from August 19 through August 25, 1975. Second-seeded and defending champion Björn Borg won the singles title and the accompanying $16,000 first prize money. The tournament started a day late due to rain.
The 1970 U.S. Pro Tennis Championships was a men's tennis tournament played on outdoor hard courts at the Longwood Cricket Club in Chestnut Hill, Massachusetts, USA. It was classified as a Class 1 category tournament and was part of the 1970 Grand Prix circuit. It was the 43rd edition of the tournament and was held from August 3 through August 9, 1970. Fourth-seeded Tony Roche won the singles title and the accompanying $12,000 first prize money.
The 1971 U.S. Pro Tennis Championships was a men's tennis tournament played on outdoor hard courts at the Longwood Cricket Club in Chestnut Hill, Massachusetts in the United States and was part of the 1971 World Championship Tennis circuit. It was the 44th edition of the tournament and was held from August 2 through August 8, 1971. Sixth-seeded Ken Rosewall won the singles title, his third U.S. Pro title, and the accompanying $10,000 first-prize money. The final was watched by 5,500 spectators.
The 1998 MFS Pro Tennis Championships, also known as the U.S. Pro Tennis Championships, was a men's tennis tournament played on outdoor hard courts at the Longwood Cricket Club in Boston, United States that was part of the World Series of the 1998 ATP Tour. It was the 70th edition of the tournament and was held from August 24 through August 30, 1998. Michael Chang won the singles title.
The 1978 U.S. Pro Tennis Championships was a men's tennis tournament played on outdoor green clay courts (Har-Tru) at the Longwood Cricket Club in Chestnut Hill, Massachusetts in the United States. The event was part of the 1978 Grand Prix circuit. It was the 51st edition of the tournament and was held from August 21 through August 28, 1978. Despite pressure to switch to a hard court surface from the Association of Tennis Professionals (ATP) and some leading players, in line with the surface change made that year by the US Open which directly followed the Boston event, the tournament organization elected to remain a clay court tournament in 1978. Several top players including Björn Borg, Guillermo Vilas and Jimmy Connors elected not to play the tournament. Fourth-seeded and defending champion Manuel Orantes won the singles title and the accompanying $32,000 first-prize money. The final was delayed until Tuesday, August 29 due to rain.
The 1976 U.S. Pro Tennis Championships was a men's tennis tournament played on outdoor green clay courts (Har-Tru) at the Longwood Cricket Club in Chestnut Hill, Massachusetts in the United States. It was classified as a 4 Star category tournament and was part of the 1976 Grand Prix circuit. It was the 49th edition of the tournament and was held from August 23 through August 30, 1976. Second-seeded, and defending champion of the previous two editions, Björn Borg won the singles title and the accompanying $25,000 first-prize money as well as a 100 Grand Prix ranking points.
The 1977 U.S. Pro Tennis Championships was a men's tennis tournament played on outdoor green clay courts (Har-Tru) at the Longwood Cricket Club in Chestnut Hill, Massachusetts in the United States. The event was categorized as a 4 Star tournament and was part of the 1977 Grand Prix circuit. It was the 50th edition of the tournament and was held from August 22 through August 30, 1977. Third-seeded Manuel Orantes won the singles title and the accompanying $32,000 first-prize money as well as 125 Grand Prix ranking points. First-seeded Jimmy Connors withdrew after the quarterfinals due to a back injury.
The 1979 U.S. Pro Tennis Championships was a men's tennis tournament played on outdoor green clay courts (Har-Tru) at the Longwood Cricket Club in Chestnut Hill, Massachusetts, United States. The event was part of the 1979 Grand Prix circuit. It was the 52nd edition of the tournament and was held from August 20 through August 26, 1979. First-seeded José Higueras won the singles title and the accompanying $24,500 first-prize money. The doubles final was not played due to rain.
The 1980 U.S. Pro Tennis Championships was a men's tennis tournament played on outdoor green clay courts at the Longwood Cricket Club in Chestnut Hill, Massachusetts in the United States. The event was part of the 1980 Volvo Grand Prix circuit. It was the 53rd edition of the tournament and was held from July 14 through July 20, 1980. Fourth-seeded Eddie Dibbs won the singles title.
The 1981 U.S. Pro Tennis Championships was a men's tennis tournament played on outdoor green clay courts at the Longwood Cricket Club in Chestnut Hill, Massachusetts in the United States. The event was part of the Super Series of the 1981 Volvo Grand Prix circuit. It was the 54th edition of the tournament and was held from July 13 through July 19, 1981. First-seeded José Luis Clerc won the singles title.
The 1982 U.S. Pro Tennis Championships was a men's tennis tournament played on outdoor green clay courts at the Longwood Cricket Club in Chestnut Hill, Massachusetts in the United States. The event was part of the Super Series of the 1982 Volvo Grand Prix circuit. It was the 55th edition of the tournament and was held from July 12 through July 18, 1982. First-seeded Guillermo Vilas won the singles title.
The 1983 U.S. Pro Tennis Championships was a men's tennis tournament played on outdoor green clay courts at the Longwood Cricket Club in Chestnut Hill, Massachusetts in the United States. The event was part of the Super Series of the 1983 Volvo Grand Prix circuit. It was the 56th edition of the tournament and was held from July 11 through July 17, 1983. Second-seeded José Luis Clerc won the singles title, his second at the event after 1981.
The 1984 U.S. Pro Tennis Championships was a men's tennis tournament played on outdoor green clay courts at the Longwood Cricket Club in Chestnut Hill, Massachusetts in the United States. The event was part of the Super Series of the 1984 Volvo Grand Prix circuit. It was the 57th edition of the tournament and was held from July 16 through July 22, 1984. Sixth-seeded Aaron Krickstein won the singles title and earned $34,000 first-prize money.
The 1985 U.S. Pro Tennis Championships, also known by its sponsored name Union Warren Bank U.S. Pro Tennis Championships, was a men's tennis tournament played on outdoor green clay courts at the Longwood Cricket Club in Chestnut Hill, Massachusetts in the United States. The event was part of the Super Series of the 1985 Nabisco Grand Prix circuit. It was the 58th edition of the tournament and was held from July 8 through July 15, 1985. First-seeded Mats Wilander won the singles title and earned $35,700 first-prize money.
The 1986 U.S. Pro Tennis Championships was a men's tennis tournament played on outdoor green clay courts at the Longwood Cricket Club in Chestnut Hill, Massachusetts in the United States. The event was part of the Super Series of the 1986 Nabisco Grand Prix circuit. It was the 59th edition of the tournament and was held from July 21 through July 27, 1986. First-seeded Andrés Gómez won the singles title.
The 1987 U.S. Pro Tennis Championships was a men's tennis tournament played on outdoor green clay courts at the Longwood Cricket Club in Chestnut Hill, Massachusetts in the United States. The event was part of the Super Series of the 1987 Nabisco Grand Prix circuit. It was the 60th edition of the tournament and was held from July 6 through July 12, 1987. First-seeded Mats Wilander won the singles title, his second at the event after 1985.
The 1988 U.S. Pro Tennis Championships, also known by its sponsored name Shawmut U.S. Pro Championships, was a men's tennis tournament played on outdoor green clay courts at the Longwood Cricket Club in Chestnut Hill, Massachusetts in the United States. The event was part of the Super Series of the 1988 Nabisco Grand Prix circuit. It was the 61st edition of the tournament and was held from July 4 through July 10, 1988. Eighth-seeded Thomas Muster won the singles title, his second at the event after 1985.
The 1989 U.S. Pro Tennis Championships was a men's tennis tournament played on outdoor green clay courts at the Longwood Cricket Club in Chestnut Hill, Massachusetts in the United States. The event was part of the Super Series of the 1989 Nabisco Grand Prix circuit. It was the 62nd edition of the tournament and was held from July 10 through July 16, 1989. Sixth-seeded Andrés Gómez won the singles title, his second at the event after 1986.
The 1999 MFS Pro Tennis Championships, also known as the U.S. Pro Tennis Championships, was a men's tennis tournament played on outdoor hard courts at the Longwood Cricket Club in Boston, United States that was part of the World Series of the 1999 ATP Tour. It was the 71st and last edition of the tournament and was held from August 23 through August 29, 1999. Sixth-seeded Marat Safin won the singles title.
Sjeng Schalken [1] 
