ATP 250 · 2005-02-07 · draw of 32
Buenos Aires 2005
ClayFinal
| 🇦🇷 Gaston Gaudio | d. | 🇦🇷 Mariano Puerta | 6-4 6-4 | H2H |
Semifinals
| 🇦🇷 Gaston Gaudio | d. | 🇪🇸 Alberto Martin | 6-3 6-4 | H2H |
| 🇦🇷 Mariano Puerta | d. | 🇦🇷 Jose Acasuso | 6-4 7-6(5) | H2H |
Quarterfinals
| 🇦🇷 Gaston Gaudio | d. | 🇪🇸 Rafael Nadal | 0-6 6-0 6-1 | H2H |
| 🇪🇸 Alberto Martin | d. | 🇪🇸 Felix Mantilla | 5-7 6-4 7-6(3) | H2H |
| 🇦🇷 Jose Acasuso | d. | 🇪🇸 Nicolas Almagro | 6-3 6-4 | H2H |
| 🇦🇷 Mariano Puerta | d. | 🇪🇸 Carlos Moya | 7-6(0) 6-3 | H2H |
Round of 16
| 🇦🇷 Gaston Gaudio | d. | 🇧🇷 Flavio Saretta | 6-3 6-2 | H2H |
| 🇪🇸 Rafael Nadal | d. | 🇮🇹 Potito Starace | 6-1 6-3 | H2H |
| 🇪🇸 Alberto Martin | d. | 🇦🇷 Guillermo Canas | 6-4 6-3 | H2H |
| 🇪🇸 Felix Mantilla | d. | 🇪🇸 Marc Lopez | 4-6 7-6(5) 7-6(4) | H2H |
| 🇪🇸 Nicolas Almagro | d. | 🇦🇷 Mariano Zabaleta | 6-7(4) 6-4 6-4 | H2H |
| 🇦🇷 Jose Acasuso | d. | 🇪🇸 Guillermo Garcia-Lopez | 6-4 6-3 | H2H |
| 🇦🇷 Mariano Puerta | d. | 🇩🇪 Lars Burgsmuller | 6-2 6-0 | H2H |
| 🇪🇸 Carlos Moya | d. | 🇦🇷 Juan Monaco | 6-1 6-2 | H2H |
Round of 32
| 🇦🇷 Gaston Gaudio | d. | 🇮🇹 Federico Luzzi | 2-6 6-1 6-3 | H2H |
| 🇧🇷 Flavio Saretta | d. | 🇪🇸 Albert Montanes | 6-3 0-6 6-2 | H2H |
| 🇮🇹 Potito Starace | d. | 🇦🇷 Edgardo Massa | 7-6(5) 6-0 | H2H |
| 🇪🇸 Rafael Nadal | d. | 🇦🇷 Agustin Calleri | 7-6(2) 6-3 | H2H |
| 🇦🇷 Guillermo Canas | d. | 🇪🇸 Alex Corretja | 6-3 6-1 | H2H |
| 🇪🇸 Alberto Martin | d. | 🇪🇸 David Ferrer | 5-0 RET | H2H |
| 🇪🇸 Felix Mantilla | d. | 🇪🇸 Oscar Hernandez | 6-4 7-6(0) | H2H |
| 🇪🇸 Marc Lopez | d. | 🇦🇷 Juan Ignacio Chela | 7-5 6-1 | H2H |
| 🇦🇷 Mariano Zabaleta | d. | 🇪🇸 Alex Calatrava | 6-3 6-2 | H2H |
| 🇪🇸 Nicolas Almagro | d. | 🇪🇸 Santiago Ventura | 6-3 6-3 | H2H |
| 🇦🇷 Jose Acasuso | d. | 🇫🇷 Paul-Henri Mathieu | 6-3 6-2 | H2H |
| 🇪🇸 Guillermo Garcia-Lopez | d. | 🇪🇸 David Sanchez | 6-4 6-3 | H2H |
| 🇩🇪 Lars Burgsmuller | d. | 🇮🇹 Filippo Volandri | 6-4 6-2 | H2H |
| 🇦🇷 Mariano Puerta | d. | 🇦🇷 Juan-Pablo Guzman | 6-2 7-6(2) | H2H |
| 🇦🇷 Juan Monaco | d. | 🇪🇸 Albert Costa | 7-5 6-4 | H2H |
| 🇪🇸 Carlos Moya | d. | 🇦🇺 Peter Luczak | 6-3 7-6(5) | H2H |