1980 Men's Tennis Recap Page
| Finals Date | Tournament | Venue | Singles Winner |
| Jan. 4 | Marlboro Australian Open | (Melbourne) | Brian Teacher |
| Jan. 6 | Australian Hard Court Championships | (Hobart) | Shlomo Glickstein |
| Jan. 7 | Benson & Hedges Open | (Auckland) | John Sadri |
| Jan. 13 | Western Australian Open | (Perth) | Colin Dibley |
| Jan. 18 | Masters | (New York) | Bjorn Borg |
| Jan. 20 | Birmingham International Indoor | Jimmy Connors | |
| Jan.20 | First National Tennis Classic | (Baltimore) | Harold Solomon |
| Jan. 27 | U.S. Pro Indoor Championships | (Philadelphia) | Jimmy Connors |
| Feb. 3 | United Virginia Bank Tennis Classic | (Richmond) | John McEnroe |
| Feb. 3 | San Juan Tennis Classic | Raul Ramirez | |
| Feb. 10 | Pepsi Grand Slam | (Boca Raton) | Bjorn Borg |
| Feb. 17 | Longboat Key Tennis Classic | (Sarasota) | Eddie Dibbs |
| Feb. 24 | WCT Invitational | (Salisbury) | Bjorn Borg |
| Feb. 24 | United Bank Tennis Classic | (Denver) | Gene Mayer |
| Mar. 2 | U.S.National Indoor Championships | (Memphis) | John McEnroe |
| Mar. 2 | Lagos Tennis Classic | Peter Feigl | |
| Mar. 9 | Volvo Tennis Classic | (Washington, D.C.) | Victor Amaya |
| Mar. 9 | Egyptian Open | (Cairo) | Corrado Barazzutti |
| Mar. 9 | Kaduna Clay Courts | Chris Mayotte | |
| Mar. 16 | ABN World Tennis Tournament | (Rotterdam) | Heinz Gunthardt |
| Mar. 16 | German Indoor Championships | (Stuttgart) | Tomas Smid |
| Mar. 16 | Friendship Tournament | (Costa Rica) | Jose-Luis Clerc |
| Mar. 23 | Frankfurt Indoor | Stan Smith | |
| Mar. 23 | Open de Lorraine | (Metz) | Gene Mayer |
| Mar. 23 | International Indoor Championships of Austria | (Linz) | Tony Graham |
| Mar. 30 | Ramazzotti Cup | (Milan) | John McEnroe |
| Mar. 30 | Dayton Pro Tennis Classic | Wojtek Fibak | |
| Mar. 30 | International Open Championships of Nice | Bjorn Borg | |
| Apr. 6 | Monte Carlo Volvo Open | Bjorn Borg | |
| Apr. 6 | Gulf States Tennis Classic | (New Orleans) | Wojtek Fibak |
| Apr. 6 | Robinson’s Men’s Tennis Open | (Palm Harbor) | Paul McNamee |
| Apr. 6 | San Luis Potosi Open | Adolpho Gonzalez | |
| Apr. 8 | Shimizu City | (Japan) | Markus Gunthardt |
| Apr. 13 |
Adidas Open ’80 |
(Japan) | Greg Whytecross |
| Apr. 13 | Houston National Championships | Ivan Lendl | |
| Apr. 13 | Bank of Oklahoma Tennis Classic | (Tulsa) | Howard Schoenfield |
| Apr. 14 |
Sigma Open |
(Johannesburg) | Heinz Gunthardt |
| Apr. 20 | Jack Kramer Open | (Fountain Valley) | Gene Mayer |
| Apr. 27 | Alan King/Caesars Palace Tennis Classic | (Las Vegas) | Bjorn Borg |
| May 4 |
WCT Finals |
(Dallas) | Jimmy Connors |
| May 4 | Grand Smash Cup | (Sao Paulo) | Wojtek Fibak |
| May 4 | Trofeo Fabrizio Matteoli | (Rome) | Corrado Barazzutti |
| May 11 | Trofeo Banea Fratelli Vallone | (Galatina) | Gilles Moretton |
| May 11 | WCT Tournament of Championships | (Forest Hills) | Vitas Gerulaitis |
| May 18 | German Open | (Hamburg) | Harold Solomon |
| May 18 | Alitalia Open | (Florence) | Adriano Panatta |
| May 25 | Italian Open | (Rome) | Guillermo Vilas |
| May 25 | American Express Cup | (Munich) | Rolf Gehring |
| June 8 |
French Open |
(Paris) | Bjorn Borg Vitas |
| June 8 | Greater Manchester Gold Shield Lawn Tennis Tournament | (West Didsbury) | Roscoe Tanner |
| June 8 | Beckenham Tennis Week | Onny Parun | |
| June 8 | Cuneo International | Ricardo Cano | |
| June 15 | Stella Artois Grass Court Championships | (London) | John McEnroe |
| June 15 | International Championships of Belgium | (Brussels) | Peter McNamara |
| June 22 | Surrey Grass Court Championships | (Surbiton) | Brian Gottfried |
| June 22 | WPC-Festwochen | (Vienna) | Angel Gimenez |
| July 6 | Villa Bollis Tennis Tournament | (Lugo) | Tony Giammalva |
| July 6 |
Wimbledon |
(London) | Bjorn Borg |
| July 13 | International Championships of Switzerland $125,000 | (Gstaad) | Heinz Gunthardt |
| July 13 | Miller Hall of Fame Championships | (Newport) | Vijay Amritraj |
| July 20 | U.S. Pro Championships | (Boston) | Eddie Dibbs |
| July 20 | Swedish Open | (Bastad) | Balazs Taroczy |
| July 20 | Mercedes-Benz Cup | (Stuttgart) | Vitas Gerulaitis |
| July 27 | Washington Star International | Brian Gottfried | |
| July 27 | Head Cup | (Kitzbühel) | Guillermo Vilas |
| July 27 |
International Championships of the Netherlands |
(Hilversum) | Balazs Taroczy |
| Aug. 3 | Volvo International | (North Conway) | Jimmy Connors |
| Aug. 3 | Mutual Benefit Life Open | (South Orange) | Jose-Luis Clerc |
| Aug. 10 | U.S. Clay Court Championships | (Indianapolis) | Jose-Luis Clerc |
| Aug. 10 | National Revenue Tennis Classic | (Columbus) | Bob Lutz |
| Aug. 10 | Zell Am See | (Austria) | Peter McNamara |
| Aug. 17 | Royan | (France) | Christophe Casa |
| Aug. 17 |
Player’s International Canadian Open |
(Toronto) | Ivan Lendl |
| Aug. 17 | Stowe Grand Prix | Bob Lutz | |
| Aug. 17 | Western Open | (Cleveland) | Gene Mayer |
| Aug. 24 | ATP Championship | (Cincinnati) | Harold Solomon |
| Aug. 24 | Atlanta Journal-Constitution Open | Eliot Teltscher | |
| Aug. 24 | Rio de Janeiro | (Brazil) | Carlos Kirmayr |
| Aug. 24 | Le Touquet | (France) | Christophe Casa |
| Aug. 30 | Itau Cup | (Porte Alegre) | Thomas Koch |
| Sept. 1 | Brussels | (Belgium) | Kjell Johansson |
| Sept. 6 | Itau Cup | (Curitiba) | Gustavo Guerrero |
| Sept. 7 | Turin | Robbie Venter | |
| Sept. 7 | U.S. Open | (Flushing Meadows) | John McEnroe |
| Sept. 14 | Palermo Grand Prix | Guillermo Vilas | |
| Sept. 14 | Hard Court Championships of Great Britain | (Bournemouth) | Angel Gimenez |
| Sept. 14 | Itau Cup | (Campinas) | Ricardo Cano |
| Sept. 21 | Cozena | Ricardo Ycaza | |
| Sept. 21 | Itau CupMasters | (Sao Paulo) | Jose Damiani |
| Sept. 28 | Transamerica Open | (San Francisco) | Gene Mayer |
| Sept. 28 | Martini Open | (Geneva) | Balazs Taroczy |
| Sept. 28 | Grand Prix de Passing Shot | (Bordeaux) | Mario Martinez |
| Sept. 30 | Messina, Italy | Anders Jarryd | |
| Oct. 5 | Copa Linaje | (Mexico City) | Jorge Andrew |
| Oct. 5 | Madrid Grand Prix | Jose-Luis Clerc | |
| Oct. 5 | Island Holidays Pro Tennis Classic | (Maui) | Eliot Teltscher |
| Oct. 12 | Spanish Open Championships | (Barcelona) | Ivan Lendl |
| Oct. 12 | Israel Tennis Center Classic | (Tel Aviv) | Harold Solomon |
| Oct. 12 | Robinson’s Classic | (Brisbane) | John McEnroe |
| Oct. 19 | Custom Credit Australian Indoor Championships | (Sydney) | John McEnroe |
| Oct. 19 | Canton Grand Prix | (China) | Jimmy Connors |
| Oct. 19 | Swiss Indoor Tennis Championships | (Basel) | Ivan Lendl |
| Oct. 26 | Japan & Asian Open | (Tokyo) | Ivan Lendl |
| Oct. 26 | Hortico Melbourne Indoor Championships | Vitas Gerulaitis | |
| Oct. 26 | Fischer Grand Prix | (Vienna) | Brian Gottfried |
| Nov. 2 | Seiko World Super Tennis | (Tokyo) | Jimmy Connors |
| Nov. 2 | Lacoste Cup | (Cologne) | Bob Lutz |
| Nov. 2 | Crocodile Open | (Paris) | Brian Gottfried |
| Nov. 9 | Stockholm Open | Bjorn Borg | |
| Nov. 9 | Seiko Hong Kong Tennis Classic | Ivan Lendl | |
| Nov. 9 |
Quito Grand Prix |
Jose-Luis Clerc | |
| Nov. 16 | Benson & Hedges Open | (London) | John McEnroe |
| Nov. 16 | Cathay Trust Tennis Championships | (Taipei) | Ivan Lendl |
| Nov. 16 | Bogota Grand Prix | Dominique Bedel | |
| Nov. 23 | South American Open | (Buenos Aires) | Jose-Luis Clerc |
| Nov. 23 |
Italian Indoor Championships |
(Bologna) | Tomas Smid |
| Nov. 23 | Bangkok Tennis Classic | Vijay Amritraj | |
| Nov. 30 | South African Brewers Open | (Johannesburg) | Kim Warwick |
| Nov. 30 | Int’l. Championships of Chile | (Santiago) | Victor Pecci |
| Nov. 30 | Dubai Golden Tennis Tournament | Wojtek Fibak | |
| Dec. 7 | Buenos Aires | (Argentina) | Eduardo Bengoechea |
| Dec. 14 | WCT Challenge Cup | (Montreal) | John McEnroe |
| Dec. 21 | Nabisco New South Wales Open | (Sydney) | Fritz Buehning |
| Dec. 21 | Sofia, Bulgaria | Per Hjertqvist |