1991 Men's Tennis Recap Page
| Finals Date | Tournament | Venue | Singles Winner |
| Jan. 6 | B.P.Nationals (H) | Wellington | Richard Fromberg |
| Jan. 6 | Australian Men’s Hardcourt Championships (H) | Adelaide | Nicklas Kulti |
| Jan. 13 | Holden N.S.W. Open Tournament of Champions (H) | Sydney | Guy Forget |
| Jan. 13 | Benson & Hedges New Zealand Open (H) | Auckland | Karel Novacek |
| Jan. 27 | Ford Australian Open (H) | Melbourne | Boris Becker |
| Feb. 10 | Muratti Time Indoor Championships (IC) | Milan | Alexander Volkov |
| Feb. 10 | Volvo Tennis/San Francisco (IC) | San Francisco | Darren Cahill |
| Feb. 10 |
Chevrolet Classic (H) |
Guaruja | Patrick Baur |
| Feb. 17 | U.S. Pro Indoor Tennis Championships (IC) | Philadelphia | Ivan Lendl |
| Feb. 17 | Donnay Indoor Championship (IC) | Brussels | Guy Forget |
| Feb. 24 | Eurocard Classics (IC) | Stuttgart | Stefan Edberg |
| Feb. 24 | Volvo Tennis Indoor (IH) | Memphis | Ivan Lendl |
| Mar. 3 | ABN/AMRO Wereld Tennis Tournament (IC) | Rotterdam | Omar Camporese |
| Mar. 3 |
Volvo Tennis/Chicago (IC) |
Chicago | John McEnroe |
| Mar. 10 | Newsweek Champions Cup (H) | Indian Wells | Jim Courier |
| Mar. 10 | Copenhagen Open 1991 (IC) | Copenhagen | Jonas Svensson |
| Mar. 24 | Lipton International Players Championships (H) | Key Biscayne | Jim Courier |
| Apr. 7 | Estoril Open (CL) | Estoril | Sergi Bruguera |
| Apr. 7 | Salem Open ’91 (H) | Hong Kong | Richard Krajicek |
| Apr. 7 | Prudential Securities Tennis Classic (H) | Orlando | Andre Agassi |
| Apr. 14 | Suntory Japan Open Tennis Championship 1991 (H) | Tokyo | Stefan Edberg |
| Apr. 14 | Trofeo Conde de Godo (CL) | Barcelona | Emilio Sanchez |
| Apr. 21 | Philips Open (CL) | Nice | Martin Jaite |
| Apr. 21 | KAL Cup Korea Open Tennis Championships (H) | Seoul | Patrick Baur |
| Apr. 28 | Epson Singapore Super Tennis (H) | Singapore | Jan Siemerink |
| Apr. 29 | Volvo Monte Carlo Open (CL) | Monte Carlo | Sergi Bruguera |
| May 5 | XX Trofeo Grupo Zeta Villa De Madrid,Marlboro Open (CL) | Madrid | Jordi Arrese |
| May 5 | BMW Open (CL) | Munich | Magnus Gustafsson |
| May 5 | USTA Men's Clay Court Championships (CL) | Tampa | Richey Reneberg |
| May 12 | Panasonic German Open (CL) | Hamburg | Karel Novacek |
| May 12 | USAir/U.S.Men’s Clay Court Championships (CL) | Charlotte | Jaime Yzaga |
| May 19 | XLVIII Campionati Internazionali d’Italia (CL) | Rome | Emilio Sanchez |
| May 19 | Yugoslav Open-Umag (CL) | Umag | Dimitri Poliakov |
| May 26 |
Internazionali di Tennis Cassa di Risparmio (CL) |
Bologna | Paolo Cane |
| June 9 | French Open (CL) | Paris | Jim Courier |
| June 16 | The Stella Artois Grass Court Championships (GR) | London | Stefan Edberg |
| June 16 | The Continental Grass Court Championships (GR) | Rosmalen | Christian Saceanu |
| June 16 | Torneo Internazionale "Citta’ di Firenze" (CL) | Florence | Thomas Muster |
| June 23 | IP Cup (CL) | Genova | Carl-Uwe Steeb |
| June 23 | Direct Line Insurance Manchester Open (GR) | Manchester | Goran Ivanisevic |
| July 7 |
Wimbledon (GR) |
London | Michael Stich |
| July 14 | Rado Swiss Open (CL) | Gstaad | Emilio Sanchez |
| July 14 | Swedish Open Bastad (CL) | Bastad | Magnus Gustafsson |
| July 14 | Miller Lite Hall of Fame Tennis Championships (GR | ) Newport | Bryan Shelton |
| July 21 | Mercedes Cup (CL) | Stuttgart | Michael Stich |
| July 21 | Sovran Bank Classic (H) | Washington | Andre Agassi |
| July 28 | Player’s Ltd. Int’l. Canadian Open (H) | Montreal | Andrei Chesnokov |
| July 28 | International Championship of the Netherlands (CL) | Hilversum | Magnus Gustafsson |
| Aug. 4 | Philips Head Cup (CL) | Kitzbühel | Karel Novacek |
| Aug. 4 | Volvo Tennis/Los Angeles (H) | Los Angeles | Pete Sampras |
| Aug. 4 | Campionati Internazionali di Tennis de San Marino (CL) | San Marino | Guillermo Perez |
| Aug. 11 | Thriftway ATP Championship (H) | Cincinnati | Guy Forget |
| Aug. 11 | Czechoslovak Open Tennis Championships (CL) | Prague | Karel Novacek |
| Aug. 18 | GTE/U.S.Men’s Hardcourt Championships (H) | Indianapolis | Pete Sampras |
| Aug. 18 | Volvo International Tennis Tournament (H) | New Haven | Petr Korda |
| Aug. 25 | Norstar Bank Hamlet Challenge Cup (H) | Long Island | Ivan Lendl |
| Aug. 25 | OTB International Tennis Open (H) | Schenectady | Michael Stich |
| Sept . 8 | U.S. Open (H) | Flushing Meadows | Stefan Edberg |
| Sept. 15 | Grand Prix Passing Shot (H) | Bordeaux | Guy Forget |
| Sept. 15 | Aberto da Republica (IC) | Brasilia | Andres Gomez |
| Sept . 15 | Barclay Open (CL) | Geneva | Thomas Muster |
| Sept. 29 | Swiss Indoors (IH) | Basel | Jakob Hlasek |
| Sept. 29 | 39th International Championship of Sicily (CL) | Palermo | Frederic Fontang |
| Sept. 29 | Queensland Open (H) | Brisbane | Gianluca Pozzi |
| Oct. 6 | Australian Indoor Tennis Championships (IH) | Sydney | Stefan Edberg |
| Oct. 6 | Grand Prix de Toulouse (IH) | Toulouse | Guy Forget |
| Oct. 6 | Athens International (CL) | Athens | Sergi Bruguera |
| Oct. 12 | The Riklis Israel Tennis Center Classic (H) | Tel Aviv | Leonardo Lavalle |
| Oct . 13 | SEIKO Super Tennis (IC) | Tokyo | Stefan Edberg |
| Oct. 13 |
Holsten International (IC) |
Berlin | Petr Korda |
| Oct . 20 | Grand Prix de Tennis de Lyon (IC) | Lyon | Pete Sampras |
| Oct . 20 | CA Tennis Trophy (IC) | Vienna | Michael Stich |
| Oct . 27 | Stockholm Open (IC) | Stockholm | Boris Becker |
| Oct . 27 | Bliss Cup (H) | Guaruja | Javier Frana |
| Nov. 3 | 6eOpen de la Ville de Paris (IC) | Paris | Guy Forget |
| Nov. 4 | Kolynos Cup (H) | Buzios | Jordi Arrese |
| Nov. 10 | Diet Pepsi Indoor Challenge (IC) | Birmingham | Michael Chang |
| Nov. 10 | Bayer Kremlin Cup (IC) | Moscow | Andrei Cherkasov |
| Nov. 10 | Banespa Open (H) | Sao Paulo | Christian Miniussi |
| Nov. 17 | ATP Tour World Championship (IC) | Frankfurt | Pete Sampras |