2005 ATP Buenos Aires – Singles

Gastón Gaudio defeated Mariano Puerta 6–4, 6–4 to win the 2005 ATP Buenos Aires singles competition. Guillermo Coria was the champion but did not defend his title.

Singles
2005 ATP Buenos Aires
Champion	Gastón Gaudio
Runner-up	Mariano Puerta
Final score	6–4, 6–4
Draw	32
Seeds	8

Main article: 2005 ATP Buenos Aires

Seeds

1. Carlos Moyà (Quarterfinals)
2. Gastón Gaudio (Champion)
3. Guillermo Cañas (Second Round)
4. Fernando González (withdrew)
5. Juan Ignacio Chela (First Round)
6. Filippo Volandri (First Round)
7. Rafael Nadal (Quarterfinals)
8. Mariano Zabaleta (Second Round)

Draw

Key

• Q = Qualifier
• WC = Wild Card
• LL = Lucky Loser
• Alt = Alternate
• SE = Special Exempt
• PR = Protected Ranking
• ITF = ITF entry
• JE = Junior Exempt
• w/o = Walkover
• r = Retired
• d = Defaulted

Finals

	Semifinals							Final
	WC	Mariano Puerta	6	7^7
		José Acasuso	4	6^5
								WC	Mariano Puerta	4	4
								2	Gastón Gaudio	6	6
		Alberto Martín	3	4
	2	Gastón Gaudio	6	6

Top Half

	First Round							Second Round							Quarterfinals							Semifinals
	1	C Moyà	6	7^7
	Q	P Luczak	3	6^5				1	C Moyà	6	6
		Á Costa	5	4					J Mónaco	1	2
		J Mónaco	7	6											1	C Moyà	6^0	3
	Q	J-P Guzmán	2	6^2											WC	M Puerta	7^7	6
	WC	M Puerta	6	7^7				WC	M Puerta	6	6
		L Burgsmüller	6	6					L Burgsmüller	2	0
	6	F Volandri	4	2																		WC	M Puerta	6	7^7
	LL	G García López	6	6																			J Acasuso	4	6^5
		D Sánchez	4	3				LL	G García López	4	3
		J Acasuso	6	6					J Acasuso	6	6
		P-H Mathieu	3	2												J Acasuso	6	6
		S Ventura	3	3												N Almagro	3	4
		N Almagro	6	6					N Almagro	6^4	6	6
		Á Calatrava	3	2				8	M Zabaleta	7^7	4	4
	8	M Zabaleta	6	6

Bottom Half

	First Round							Second Round							Quarterfinals							Semifinals
	5	J I Chela	5	1
	Q	M López	7	6				Q	M López	6	6^5	6^4
		F Mantilla	6	7^7					F Mantilla	4	7^7	7^7
		Ó Hernández	4	6^0												F Mantilla	7	4	6^3
		D Ferrer	0^r													A Martín	5	6	7^7
		A Martín	5						A Martín	6	6
		À Corretja	3	1				3	G Cañas	4	3
	3	G Cañas	6	6																			A Martín	3	4
	WC/7	R Nadal	7^7	6																		2	G Gaudio	6	6
		A Calleri	6^2	3				WC/7	R Nadal	6	6
	WC	E Massa	6^5	0					P Starace	1	3
		P Starace	7^7	6											WC/7	R Nadal	6	0	1
		Montañés	3	6	2										2	G Gaudio	0	6	6
		F Saretta	6	0	6				F Saretta	3	2
	Q	F Luzzi	6	1	3			2	G Gaudio	6	6
	2	G Gaudio	2	6	6

External links

• 2005 ATP Buenos Aires Singles draw
• Doubles draw
• Qualifying Singles draw