1973 Men's Tennis Recap Page
| Finals Date | Tournament | Venue | Singles Winner |
| Jan. 1 | Australian Open | (Melbourne) | John Newcombe |
| Jan. 7 | Baltimore International Indoors | Jimmy Connors | |
| Jan. 20 | Birmingham International | Sandy Mayer | |
| Jan. 21 | Roanoke International | Jimmy Connors | |
| Jan. 21 | Saga Bay Classic | (Miami) | Rod Laver |
| Jan. 27 | Rothmans International | (London) | Brian Fairlie |
| Jan. 28 | Michelob Pro-Celebrity | (La Costa) | Colin Dibley |
| Jan. 28 | Omaha International | Ilie Nastase | |
| Feb. 4 | Des Moines International | Clark Graebner | |
| Feb. 4 | Fidelity Tournament | (Richmond) | Rod Laver |
| Feb. 4 | Astor Cup | (Milan) | Marty Riessen |
| Feb. 11 | U.S. Pro Indoor | (Philadelphia) | Stan Smith |
| Feb. 11 | Salt Lake City International | Jimmy Connors | |
| Feb. 17 | Indoor Championships | (Calgary) | Ilie Nastase |
| Feb. 18 | Rothmans International | (Toronto) | Rod Laver |
| Feb. 18 | Pro Championships | (Copenhagen) | Roger Taylor |
| Feb. 18 | Pro Championships | (Cologne) | Jan Kodes |
| Feb. 24 | U.S.National Indoor Open | (Salisbury) | Jimmy Connors |
| Mar. 3 | Hampton International | Jimmy Connors | |
| Mar. 4 | Kemper International | (Chicago) | Arthur Ashe |
| Mar. 10 | Paramus International | Jimmy Connors | |
| Mar. 10 | Garcia Classic | (San Juan) | Alex Metreveli |
| Mar. 24 |
Equity Tournament |
(Washington, D.C.) | Ilie Nastase |
| Mar. 25 | Mississippi Indoors | (Jackson) | Eddie Dibbs |
| Mar. 25 | Peachtree Corners Classic | (Atlanta) | Stan Smith |
| Mar. 25 | Union Trust Classic | (Washington, D.C.) | Tom Okker |
| Apr. 1 | Holton Classic | (St. Louis) | Stan Smith |
| Apr. 1 | Rothmans International | (Vancouver) | Tom Gorman |
| Apr. 1 | Rothmans Valencia | Manuel Orantes | |
| Apr. 8 | Rothmans Barcelona | Ilie Nastase | |
| Apr. 8 | German Pro Championships | (Munich) | Stan Smith |
| Apr. 8 |
River Oaks |
(Houston) | Ken Rosewall |
| Apr. 15 | Belgian Pro Championships | (Brussels) | Stan Smith |
| Apr. 15 | Cleveland Championships | Ken Rosewall | |
| Apr. 15 | Craven Nice | Manuel Orantes | |
| Apr. 21 | Craven Monte Carlo Championships | Ilie Nastase | |
| Apr. 22 | NCNB Classic | (Charlotte) | Ken Rosewall |
| Apr. 23 | South African Pro Championships | (Johannesburg) | Brian Gottfried |
| Apr. 29 | Pro Championships | (Gothenburg) | Stan Smith |
| Apr. 29 |
United Bank Classic |
(Denver) | Mark Cox |
| Apr. 29 | Rothmans Madrid | Ilie Nastase | |
| May 6 | Dunhill Florence | Ilie Nastase | |
| May 12 | British Hard Court Championships | (Bournemouth) | Adriano Panatta |
| May 13 | WCT Singles Finals | (Dallas) | Stan Smith |
| May 20 | Alan King/Caesars Palace Classic | (Las Vegas) | Brian Gottfried |
| June 2 | Rothmans Surrey Grass Championships | (Surbiton) | Owen Davidson |
| June 3 | Italian Championships | (Rome) | Ilie Nastase |
| June 9 | Rothmans Chichester | Vijay Amritraj | |
| June 10 | French Open | (Paris) | Ilie Nastase |
| June 10 | Berlin Championships | Berlin | Hans Pohmann |
| June 16 | Green Shield Kent Championships | (Beckenham) | Alex Metreveli |
| June 16 | John Player | (Nottingham) | Erik van Dillen |
| June 17 | German Open Championships | (Hamburg) | Eddie Dibbs |
| June 23 | London Grass Court Championships | (London) | Ilie Nastase |
| June 23 | Rothmans South of England | (Eastbourne) | Mark Cox |
| July 7 | Wimbledon | (London) | Jan Kodes |
| July 15 | Swedish Open | (Bastad) | Stan Smith |
| July 15 | Swiss Open Championships | (Gstaad) | Ilie Nastase |
| July 23 | Dutch Championships | (Hilversum) | Tom Okker |
| July 23 |
U.S. Pro Championships |
(Boston) | Jimmy Connors |
| July 29 | Washington Star International | Arthur Ashe | |
| July 29 | Volvo International | (Bretton Woods) | Vijay Amritraj |
| Aug. 5 | First National Classic | (Louisville) | Manuel Orantes |
| Aug. 5 | City National Buckeye Championships | (Columbus) | Jimmy Connors |
| Aug. 12 |
Western Championships |
(Cincinnati) | Ilie Nastase |
| Aug. 12 | Tanglewood Classic | Jaime Fillol | |
| Aug. 19 | U.S. Clay Court Championships | (Indianapolis) | Manuel Orantes |
| Aug. 19 | Pennsylvania Championships | (Merion) | Mike Estep |
| Aug. 26 | Rothmans Canadian Open | (Toronto) | Tom Okker |
| Aug. 26 | Eastern Championships | (South Orange) | Colin Dibley |
| Sept. 9 | U.S. Open | (Forest Hills) | John Newcombe |
| Sept. 16 | Aptos Seascape Open | Jeff Austin | |
| Sept. 16 | Rainier Invitational | (Seattle) | Tom Okker |
| Sept. 23 | Pacific Southwest Open | (Los Angeles) | Jimmy Connors |
| Sept. 30 | Pacific Coast International | (San Francisco) | Roy Emerson |
| Sept. 30 |
Tam International |
(Chicago) | Tom Okker |
| Oct. 7 | National Colonial Tournament | (Fort Worth) | Eddie Dibbs |
| Oct. 7 | Rothmans International | (Quebec) | Jimmy Connors |
| Oct. 7 | Osaka Open | Ken Rosewall | |
| Oct. 14 |
Spanish Championships |
(Barcelona) | Ilie Nastase |
| Oct. 14 | Japan Open | (Tokyo) | Ken Rosewall |
| Oct. 21 | Melia Trophy | (Madrid) | Tom Okker |
| Oct. 21 | Manila Grand Prix | Ross Case | |
| Oct. 21 | Indian Championships | (New Delhi) | Vijay Amritraj |
| Oct. 28 | Prague Championships | Jiri Hrebec | |
| Oct. 28 | Arymehr Cup | (Teheran) | Raul Ramirez |
| Nov. 4 | Jean Becker Open | (Paris) | Ilie Nastase |
| Nov. 4 | Indonesian Championships | (Djakarta) | John Newcombe |
| Nov. 4 | Viceroy Classic | (Hong Kong) | Rod Laver |
| Nov. 11 | Stockholm Open | Tom Gorman | |
| Nov. 11 | Australian Indoor Championships | (Sydney) | Rod Laver |
| Nov. 17 | Dewar Cup | (London) | Tom Okker |
| Nov. 18 | Benson & Hedges Classic | (Christchurch) | Fred Stolle |
| Nov. 25 | South American Open | (Buenos Aires) | Guillermo Vilas |
| Nov. 27 | South African Open | (Johannesburg) | Jimmy Connors |
| Dec. 8 | Masters | (Boston) | Ilie Nastase |