1981 Men's Tennis Recap Page
| Finals Date | Tournament | Venue | Singles Winner |
| Jan. 3 | Australian Open | (Melbourne) | Johan Kriek |
| Jan. 11 | Benson & Hedges New Zealand Open | (Auckland) | Bill Scanlon |
| Jan. 11 | Berri South Australian Open | (Adelaide) | Mark Edmondson |
| Jan. 17 | Masters | (New York) | Ivan Lendl |
| Jan. 18 | Western Australian Open | (Perth) | John Fitzgerald |
| Jan. 25 | Copa Monterrey | Johan Kriek | |
| Jan. 25 | San Juan Tennis Classic | Eliot Teltscher | |
| Jan. 25 | Hollywood Classic | (Sao Paulo) | Carlos Kirmayr |
| Feb. 1 | U.S. Pro Indoor Championships | (Philadelphia) | Roscoe Tanner |
| Feb. 1 | Viceroy Grand Prix | (Vina del Mar) | Victor Pecci |
| Feb. 8 | United Virginia Bank Tennis Classic | (Richmond) | Yannick Noah |
| Feb. 8 | Mar del Plata Grand Prix | Guillermo Vilas | |
| Feb. 15 | Pepsi Grand Slam | (Boca West) | John McEnroe |
| Feb. 22 | Grand Marnier/ATP Tennis Games | (La Quinta) | Jimmy Connors |
| Mar. 1 | U.S.National Indoor Championships | (Memphis) | Gene Mayer |
| Mar. 1 |
Copa Capistrano |
(Mexico City) | Jaime Fillol |
| Mar. 1 | Rio de La Plata | (Buenos Aires) | Eric Fromm |
| Mar. 1 | Ogun Green Courts | (Abeokuta) | Craig Wittus |
| Mar. 8 | United Bank Tennis Classic | (Denver) | Gene Mayer |
| Mar. 8 | Dunlop N.T.C.Tennis Classic | (Lagos) | Larry Stefanki |
| Mar. 8 | WCT Invitational | (Salisbury) | Bill Scanlon |
| Mar. 15 | Kaduna Clay Courts | Gianluca Rinaldini | |
| Mar. 15 | Belgian Indoor Championships | (Brussels) | Jimmy Connors |
| Mar. 15 | Robinson’s Men’s Tennis Open | (Tampa) | Mel Purcell |
| Mar. 15 | Egyptian Open | (Cairo) | Guillermo Vilas |
| Mar. 22 | ABN World Tennis Tournament | (Rotterdam) | Jimmy Connors |
| Mar. 22 | Open de Lorraine | (Nancy) | Pavel Slozil |
| Mar. 29 | Cuore Cup | (Milan) | John McEnroe |
| Mar. 29 | German Indoor Championships | (Stuttgart) | Ivan Lendl |
| Mar. 29 | Congoleum Invitational | (Napa) | Sammy Giammalva |
| Apr. 5 | Hispano Open | (Barcelona) | Uli Pinner |
| Apr. 5 | Trevira Cup | (Frankfurt) | John McEnroe |
| Apr. 5 | Deinhard-Internorm Grand Prix | (Linz) | Gianni Ocleppo |
| Apr. 12 | Houston National Championships | Guillermo Vilas | |
| Apr. 12 | Donnay Open | (Nice) | Yannick Noah |
| Apr. 12 | Japan Circuit | (Kyoto) | Ron Hightower |
| Apr. 13 | SAB Open | (Johannesburg) | Kevin Curren |
| Apr. 19 | San Luis Potosi | Rick Fagel | |
| Apr. 19 |
Barcino Open |
(Barcelona) | Diego Perez |
| Apr. 19 | Melitta Open | (Curitiba) | Carlos Kirmayr |
| Apr. 20 | Jack Kramer Open | (Los Angeles) | John McEnroe |
| Apr. 26 | Adidas Open | (Tokyo) | John Fitzgerald |
| Apr. 26 | Alan King/Caesars Palace Tennis Classic | Ivan Lendl | |
| Apr. 26 |
Three Fives Hard Court Championships |
(Bournemouth) | Victor Pecci |
| May 2 | Trophy Pernod | (West Worthing) | John Feaver |
| May 3 | WCT Finals | (Dallas) | John McEnroe |
| May 3 | Intl.Tennis Championships of Berlin | Werner Zirngibl | |
| May 3 | Parioli Championships | Alejandro Pierola | |
| May 3 | Dunlop Masters | (Toyota City) | Russell Simpson |
| May 10 |
Governor’s Cup |
(Mexicali) | Jim Delaney |
| May 10 | Galatina Championships | Werner Zirngibl | |
| May 10 | Trophy Pernod | (Chichester) | Steve Krulevitz |
| May 10 | WCT Tournament of Champions | (Forest Hills) | Eddie Dibbs |
| May 17 | Guadalajara Championships | Joao Soares | |
| May 17 | German Open | (Hamburg) | Peter McNamara |
| May 17 | Alitalia Open | (Florence) | Jose-Luis Clerc |
| May 24 | Italian Open | (Rome) | Jose-Luis Clerc |
| May 24 | American Express Cup | (Munich) | Chris Lewis |
| June 7 | Naples Championships | Damir Keretic | |
| June 7 | French Open | (Paris) | Bjorn Borg |
| June 14 | Stella Artois Grass Court Championships | (London) | John McEnroe |
| June 14 | Belgian Tennis Championships | (Brussels) | Marko Ostoja |
| June 20 | Lambert & Butler Championships | (Bristol) | Mark Edmondson |
| June 21 | Venice, Italy | Mario Martinez | |
| June 29 | Cuneo Championships | Juan Avendano | |
| July 4 | Wimbledon | (London) | John McEnroe |
| July 5 | Phillips Cup | (Travemunde) | Uli Pinner |
| July 5 | Stampa Sporting Torino | Pablo Arraya | |
| July 12 | Torneo Tennis Club Soloro | (San Remo) | Corrado Barazzutti |
| July 12 | Essen | (West Germany) | Chris Johnstone |
| July 12 | International Championships of Switzerland | (Gstaad) | Wojtek Fibak |
| July 12 | Miller Hall of Fame Championships | (Newport) | Johan Kriek |
| July 19 | Torneo C.T. La Spezia | Adriano Panatta | |
| July 19 | U.S Pro Tennis Championships | (Boston) | Jose-Luis Clerc |
| July 19 | Head Cup | (Kitzbühel) | John Fitzgerald |
| July 19 | Mercedes-Benz Cup | (Stuttgart) | Bjorn Borg |
| July 26 | Washington Star International | Jose-Luis Clerc | |
| July 26 | International Championships of the Netherlands | (Hilversum) | Balazs Taroczy |
| July 27 | Swedish Open Championships | (Bastad) | Thierry Tulasne |
| Aug. 1 | Itau Cup | (Rio de Janeiro) | Julio Goes |
| Aug. 2 | Zell Am See | (Austria) | Fernando Luna |
| Aug. 2 | Mutual Benefit Life Open | (South Orange) | Shlomo Glickstein |
| Aug. 3 | Volvo International | (North Conway) | Jose-Luis Clerc |
| Aug. 8 | Itau Cup | (Porto Alegre) | Carlos Kirmayr |
| Aug. 9 | San Benedetto Championships | Adriano Panatta | |
| Aug. 9 | Ostende Championships | Jerome Potier | |
| Aug. 9 | U.S. Clay Court Championships | (Indianapolis) | Jose-Luis Clerc |
| Aug. 10 | National Revenue Tennis Classic | (Columbus) | Brian Teacher |
| Aug. 10 | Bara Championships | Bruce Derlin | |
| Aug. 15 | Itau Cup | (Brasilia) | Pablo Arraya |
| Aug. 16 | Royan Championships | Jaro Navratil | |
| Aug. 16 | Player’s International Canadian Open | (Montreal) | Ivan Lendl |
| Aug. 16 | Western Open | (Cleveland) | Gene Mayer |
| Aug. 16 | Stowe Grand Prix | Brian Gottfried | |
| Aug. 17 | Tarragona Championships | Jairo Velasco | |
| Aug. 23 | Le Touquet | (France) | Stefan Simonsson |
| Aug. 23 | ATP Championship | (Cincinnati) | John McEnroe |
| Aug. 23 | Atlanta Journal-Constitution Championships | Mel Purcell | |
| Aug. 30 | Reus Championships | Jean Caujolle | |
| Sept. 13 | Bari | (Italy) | Zoltan Kuharszky |
| Sept. 13 | U.S.Open | (Flushing Meadows) | John McEnroe |
| Sept. 20 | Sicilian Grand Prix | (Palermo) | Manuel Orantes |
| Sept. 27 | Layetano | Jose Garcia | |
| Sept. 27 | Grand Prix Passing Shot | (Bordeaux) | Andres Gomez |
| Sept. 27 | Martini Open | (Geneva) | Bjorn Borg |
| Sept. 28 | Transamerica Open | (San Francisco) | Eliot Teltscher |
| Oct. 4 | Athens | Vince Van Patten Zoltan Kuharszky | |
| Oct. 4 | International Championships of Madrid | Ivan Lendl | |
| Oct. 4 | Island Holidays Pro Tennis Classic | (Maui) | Hank Pfister |
| Oct. 11 | Spanish Championships | (Barcelona) | Ivan Lendl |
| Oct. 11 | Israel Tennis Center Classic | (Tel Aviv) | Mel Purcell |
| Oct. 11 | Nivea Tennis Classic | (Brisbane) | Mark Edmondson |
| Oct. 18 | Custom Credit Australian Indoor | (Sydney) | John McEnroe |
| Oct. 18 | Swiss Indoor Championships | (Basel) | Ivan Lendl |
| Oct. 25 | Japan Open | (Tokyo) | Balazs Taroczy |
| Oct. 25 | Melbourne Indoor Championships | Peter McNamara | |
| Oct. 25 | Fischer Grand Prix | (Vienna) | Ivan Lendl |
| Nov. 1 | Seiko World Super Tennis | (Tokyo) | Vince Van Patten |
| Nov. 1 | Lacoste Cup | (Cologne) | Ivan Lendl |
| Nov. 1 | Crocodile Open | (Paris) | Mark Vines |
| Nov. 8 | Stockholm Open | Gene Mayer | |
| Nov. 8 | Seiko Hong Kong Tennis Classic | Van Winitsky | |
| Nov. 8 | Quito Grand Prix | Eddie Dibbs | |
| Nov. 15 | Benson & Hedges Championships | (London) | Jimmy Connors |
| Nov. 15 | Taipei International Tennis Championships | Robert Van’t Hof | |
| Nov. 22 | South American Open | (Buenos Aires) | Ivan Lendl |
| Nov. 22 | Bangkok Tennis Classic | Bill Scanlon | |
| Nov. 22 | Italian Indoor Championships | (Bologna) | Sandy Mayer |
| Nov. 22 | Benin City | (Nigeria) | Haroon Ismail |
| Nov. 29 | Sigma Open | (Johannesburg) | Vitas Gerulaitis |
| Nov. 29 | Santiago International Tennis Championships | Hans Gildemeister | |
| Nov. 29 | Philippine Presidential Tennis Classic | (Manila) | Ramesh Krishnan |
| Dec. 5 | Bahia Championships | (Brazil) | Pat DuPre |
| Dec. 13 | Milton Championships | (Australia) | Chris Johnstone |
| Dec. 20 | Robinson’s New South Wales Open | (Sydney) | Tim Wilkison |
| Dec. 20 | International Indoor Championships of Bulgaria | (Sofia) | Ricky Meyer |