2005 ATP tennis results
| DATE | SURFACE | COUNTRY | TOURNAMENT | WINNER |
|---|---|---|---|---|
| Jan 3 | Hard | India | Chennai | Carlos Moya |
| Jan 3 | Hard | Qatar | Doha | Roger Federer |
| Jan 3 | Hard | Australia | Adelaide | Joachim Johansson |
| Jan 10 | Hard | New Zealand | Auckland | Fernando Gonzalez |
| Jan 10 | Hard | Australia | Sydney | Lleyton Hewitt |
| Jan 17 | Hard | Australia | Australian Open | Marat Safin |
| Jan 31 | Clay | Chile | Vina Del Mar | Gaston Gaudio |
| Jan 31 | Hard | United States | Delray Beach | Xavier Malisse |
| Jan 31 | Carpet | Italy | Milan | Robin Soderling |
| Feb 7 | Clay | Argentina | Buenos Aires | Gaston Gaudio |
| Feb 7 | Hard | France | Marseille | Joachim Johansson |
| Feb 7 | Hard | United States | San Jose | Andy Roddick |
| Feb 14 | Hard | United States | Memphis | Kenneth Carlsen |
| Feb 14 | Clay | Brazil | Costa Do Sauipe | Rafael Nadal |
| Feb 14 | Carpet | The Netherlands | Rotterdam | Roger Federer |
| Feb 21 | Clay | Mexico | Acapulco | Rafael Nadal |
| Feb 21 | Hard | United Arab Emirates | Dubai | Roger Federer |
| Feb 21 | Hard | United States | Scottsdale | Wayne Arthurs |
| Mar 7 | Hard | United States | Indian Wells | Roger Federer |
| Mar 21 | Hard | United States | Miami | Roger Federer |
| Apr 4 | Clay | Spain | Valencia | Igor Andreev |
| Apr 4 | Clay | Morocco | Casablanca | Mariano Puerta |
| Apr 11 | Clay | Monaco | Monte Carlo | Rafael Nadal |
| Apr 18 | Clay | Spain | Barcelona | Rafael Nadal |
| Apr 18 | Clay | United States | Houston | Andy Roddick |
| Apr 25 | Clay | Germany | Munich | David Nalbandian |
| Apr 25 | Clay | Portugal | Estoril | Gaston Gaudio |
| May 2 | Clay | Italy | Rome | Rafael Nadal |
| May 9 | Clay | Germany | Hamburg | Roger Federer |
| May 16 | Clay | Austria | St. Poelten | Nikolay Davydenko |
| May 23 | Clay | France | Roland Garros | Rafael Nadal |
| Jun 6 | Grass | Germany | Halle | Roger Federer |
| Jun 6 | Grass | England | London / Queen's Club | Andy Roddick |
| Jun 13 | Grass | England | Nottingham | Richard Gasquet |
| Jun 13 | Grass | The Netherlands | 's-Hertogenbosch | Cyril Suk |
| Jun 20 | Grass | England | Wimbledon | Roger Federer |
| Jul 4 | Clay | Switzerland | Gstaad | Gaston Gaudio |
| Jul 4 | Grass | United States | Newport | Greg Rusedski |
| Jul 4 | Clay | Sweden | Bastad | Rafael Nadal |
| Jul 18 | Hard | Germany | Stuttgart | Rafael Nadal |
| Jul 18 | Hard | United States | Indianapolis | Robby Ginepri |
| Jul 18 | Clay | The Netherlands | Amersfoort | Fernando Gonzalez |
| Jul 25 | Clay | Austria | Kitzbuhel | Gaston Gaudio |
| Jul 25 | Hard | United States | Los Angeles | Andre Agassi |
| Jul 25 | Clay | Croatia (Hrvatska) | Umag | Guillermo Coria |
| Aug 1 | Hard | United States | Washington | Andy Roddick |
| Aug 1 | Clay | Poland | Sopot | Gael Monfils |
| Aug 8 | Hard | Canada | Canada | Rafael Nadal |
| Aug 15 | Hard | United States | Cincinnati | Roger Federer |
| Aug 22 | Hard | United States | New Haven | James Blake |
| Aug 29 | Grass | United States | US Open | Roger Federer |
| Sep 12 | Hard | China | Beijing | Rafael Nadal |
| Sep 12 | Clay | Romania | Bucharest | Florent Serra |
| Sep 26 | Hard | Thailand | Bangkok | Roger Federer |
| Sep 26 | Carpet | Vietnam | Ho Chi Minh | Jonas Bjorkman |
| Sep 26 | Clay | Italy | Palermo | Igor Andreev |
| Oct 3 | Hard | France | Metz | Ivan Ljubicic |
| Oct 3 | Hard | Japan | Tokyo | Wesley Moodie |
| Oct 10 | Hard | Austria | Vienna | Ivan Ljubicic |
| Oct 10 | Hard | Sweden | Stockholm | James Blake |
| Oct 10 | Carpet | Russia | Moscow | Igor Andreev |
| Oct 17 | Hard | Spain | Madrid | Rafael Nadal |
| Oct 24 | Carpet | France | Lyon | Andy Roddick |
| Oct 24 | Carpet | Russia | St. Petersburg | Thomas Johansson |
| Oct 24 | Carpet | Switzerland | Basel | Fernando Gonzalez |
| Oct 31 | Carpet | France | Paris | Tomas Berdych |