The first 1977 ATP Buenos Aires, also known as the River Plate Championships, was an Association of Tennis Professionals men's tennis tournament that was played on outdoor clay courts at the Buenos Aires Lawn Tennis Club in Buenos Aires, Argentina and held from 14 April through 17 April 1977. First-seeded Guillermo Vilas won the singles title.
The 1979 Romika Cup was a men's Grand Prix Tennis Circuit tennis tournament held at the MTTC Iphitos in Munich, West Germany. It was the 63rd edition of the tournament which was held from 22 May through 27 May 1979. First-seeded Manuel Orantes won the singles title.
The 1979 U.S. Pro Indoor was a men's tennis tournament played on indoor carpet courts that was part of the 1979 Colgate-Palmolive Grand Prix. It was played at the Wachovia Spectrum in Philadelphia, Pennsylvania in the United States and was held from January 22 through January 28, 1979. First-seeded Jimmy Connors won his second consecutive title at the event.
The 1976 Fischer-Grand Prix was a men's tennis tournament played on indoor hard courts at the Wiener Stadthalle in Vienna in Austria that was part of the 1976 Commercial Union Assurance Grand Prix circuit. It was the second edition of the tournament and was held from 25 October through 31 October 1976. Fifth-seeded Wojciech Fibak won the singles title.
The 1979 Fischer-Grand Prix was a men's tennis tournament played on indoor hard courts at the Wiener Stadthalle in Vienna, Austria that was part of the 1979 Colgate-Palmolive Grand Prix. It was the fifth edition of the tournament and took place from 22 October until 28 October 1979. Fifth-seeded Stan Smith won his second consecutive singles title at the event.
The 1979 Stockholm Open was a tennis tournament played on hard courts. The men's event was part of the 1979 Colgate-Palmolive Grand Prix, while the women's took part of the 1979 WTA Tour and took place at the Kungliga tennishallen in Stockholm, Sweden. The women's tournament was held from 2 November through 5 November 1979 while the men's tournament was held from 5 November through 11 November 1979.
The 1979 Jack Kramer Open, also known as the Pacific Southwest Open, was a men's tennis tournament played on indoor carpet courts at the Pauley Pavilion in Los Angeles, California in the United States. The event was part of the Grand Prix tennis circuit. It was the 53rd edition of the Pacific Southwest tournament and was held from September 17 through September 23, 1979.
The 1980 Alan King Tennis Classic, also known as the Alan King-Ceasers Palace Tennis Classic, was a men's tennis tournament played on outdoor hard courts at the Caesars Palace in Las Vegas, United States. It was the ninth edition of the event and was part of the 1980 Volvo Grand Prix circuit. The tournament was held from April 21 through April 27, 1980. First-seeded Björn Borg won the singles title and the accompanying $60,000 first-prize money. It was Borg's second successive singles title at the tournament.
The 1981 Suisse Open Gstaad was a men's tennis tournament played on outdoor clay courts in Gstaad, Switzerland. It was the 36th edition of the tournament and was held from 6 July through 12 July 1981. The tournament was part of the 1981 Volvo Grand Prix tennis circuit. Third-seeded Wojciech Fibak won the singles title.
The 1978 Milan Indoor, also known by its sponsored name Ramazzotti Cup, was a men's tennis tournament played on indoor carpet courts at the Palazzo dello Sport in Milan in Italy. The event was part WCT Tour which was incorporated into the 1978 Colgate-Palmolive Grand Prix circuit. It was the inaugural edition of the tournament and was held from 27 March through 2 April 1978. Second-seeded Björn Borg won the singles title. Total attendance for the tournament was 76,841.
The 1978 German Open was a combined men's and women's tennis tournament played on outdoor red clay courts. The men's tournament was part of the 1978 Colgate-Palmolive Grand Prix circuit, categorized as a four-star event, while the women's tournament was part of the Colgate Series and classified as an A category event. It was the 70th edition of the tournament and took place at the Am Rothenbaum in Hamburg, West Germany, from 15 May through 21 May 1978. Guillermo Vilas and Mima Jaušovec, both first-seeded, won the singles titles.
The 1980 Mercedes Cup, was a men's tennis tournament played on outdoor clay courts and held at the Tennis Club Weissenhof in Stuttgart, West Germany that was part of the 1980 Grand Prix circuit. It was the third edition of the tournament and was held from 14 July until 20 July 1980. First-seeded Vitas Gerulaitis won the singles title.
The 1979 Mercedes Cup, was a men's tennis tournament played on outdoor clay courts and held in Stuttgart, West Germany that was part of the 1979 Grand Prix circuit. It was the second edition of the tournament and was held from 16 July until 22 July 1979. Fourth-seeded Tomáš Šmíd won the singles title.
The 1978 Louisville Open, also known as the Louisville International Tennis Classic, was a men's tennis tournament played on outdoor clay courts at the Louisville Tennis Center in Louisville, Kentucky, United States. It was the ninth edition of the tournament and was held from July 25 through July 30, 1978. The tournament was part of the Grand Prix tennis circuit. The singles final was won by fifth-seeded Harold Solomon who received $24,000 first prize money and earned 175 ranking points. It was Solomon's second title win at the tournament after 1976.
The 1980 United Bank Classic, also known as the Denver WCT, was a men's tennis tournament played on indoor carpet courts in Denver, Colorado in the United States that was part of the 1980 Grand Prix circuit. It was the ninth edition of the tournament and took place from February 18 through February 24, 1980. Second-seeded Gene Mayer won the singles competition.
The 1977 Mexico City WCT was a men's tennis tournament played on indoor carpet courts in Mexico City, Mexico. The event was part of the 1977 World Championship Tennis circuit. It was the second edition of the tournament and was held from 8 March until 13 February 1977. Unseeded Ilie Năstase won the singles title.
The 1977 Düsseldorf International was a men's Grand Prix tennis circuit tournament held in Düsseldorf, West Germany and played on outdoor clay courts. It was the eighth edition of the tournament and was held from 16 May until 22 May 1977. First-seeded Wojciech Fibak won the singles title.
The 1979 Transamerica Open, also known as the Pacific Coast Championships, was a men's tennis tournament played on indoor carpet courts at the Cow Palace in San Francisco, California in the United States. The event was part of the 1979 Colgate-Palmolive Grand Prix circuit. It was the 89th edition of the tournament and was held from September 24 through September 30, 1979. The singles event had a field of 64 players. First-seeded John McEnroe won his second consecutive singles title at the event.
The 1978 Cologne Cup, also known as the Cologne Grand Prix, was a men's tennis tournament played on indoor carpet courts in Cologne, West Germany that was part of the 1978 Colgate-Palmolive Grand Prix circuit. It was the third edition of the tournament and was held from 30 October through 5 November 1978. Fourth-seeded Wojciech Fibak won the singles title and the accompanying $10,000 first-prize money
The 1979 European Indoor Championships, also known as the Cologne Grand Prix, was a men's tennis tournament played on indoor carpet courts in Cologne, West Germany that was part of the 1979 Colgate-Palmolive Grand Prix circuit. It was the fourth edition of the tournament and was held from 29 October through 4 November 1979. First-seeded Gene Mayer won the singles title.
Wojciech Fibak [1] 
Stan Smith / 