2006 Austrian Open – Singles

Gastón Gaudio was the defending champion,^[1] but lost in the quarterfinals to Agustín Calleri.

Singles
2006 Austrian Open
Champion	Agustín Calleri
Runner-up	Juan Ignacio Chela
Score	7–6(11–9), 6–2, 6–3
Draw	48
Seeds	16

Calleri went on to win the title, defeating Juan Ignacio Chela 7–6^(11–9), 6–2, 6–3 in the final.^[2]

Seeds

1. Nikolay Davydenko (second round)
2. Tommy Robredo (second round)
3. Jarkko Nieminen (third round)
4. Gastón Gaudio (quarterfinals)
5. Fernando Verdasco (semifinals)
6. Nicolás Massú (third round)
7. Juan Ignacio Chela (final)
8. Mikhail Youzhny (semifinals)
9. Agustín Calleri (champion)
10. Max Mirnyi (third round)
11. Luis Horna (second round, retired)
12. Andreas Seppi (second round)
13. Philipp Kohlschreiber (quarterfinals)
14. Christophe Rochus (second round)
15. Boris Pašanski (second round)
16. Andrei Pavel (third round)

Draw

Key

• Q = Qualifier
• WC = Wild card
• LL = Lucky loser
• Alt = Alternate
• ITF = ITF entry
• PR = Protected ranking
• SR = Special ranking
• SE = Special exempt
• JE = Junior exempt
• JR = Junior Accelerator Programme entrant
• CO = College Accelerator Programme entrant
• NG = Next Gen Accelerator Program entrant
• w/o = Walkover
• r = Retired
• d = Defaulted

Finals

	Quarterfinals							Semifinals							Final
		Nicolás Lapentti	4	4
	5	Fernando Verdasco	6	6
								5	Fernando Verdasco	6	1	3
								9	Agustín Calleri	4	6	6
	4	Gastón Gaudio	5	0
	9	Agustín Calleri	7	6
															9	Agustín Calleri	711	6	6
															7	Juan Ignacio Chela	69	2	3
	7	Juan Ignacio Chela	6	6
	13	Philipp Kohlschreiber	4	4
								7	Juan Ignacio Chela	6	4	6
								8	Mikhail Youzhny	2	6	4
	8	Mikhail Youzhny	6	3	6
		Jürgen Melzer	3	6	3

Top half

Section 1

	First round							Second round							Third round							Quarterfinals
								1	N Davydenko	3	3
		N Lapentti	712	6					N Lapentti	6	6
		T Zíb	610	3												N Lapentti	6	6
		JA Marín	6	4	61											S Koubek	3	3
		S Koubek	3	6	77				S Koubek	6	3	6
								15	B Pašanski	1	6	2
																							N Lapentti	4	4
																						5	F Verdasco	6	6
								10	M Mirnyi	6	6
	Q	D Patriarca	77	2	3			WC	A Haider-Maurer	2	4
	WC	A Haider-Maurer	65	6	6										10	M Mirnyi	4	5
		A Waske	6	3	78										5	F Verdasco	6	7
		Ł Kubot	3	6	66				A Waske	3	3
								5	F Verdasco	6	6

Section 2

	First round							Second round							Third round							Quarterfinals
								4	G Gaudio	77	4
	Q	L Azzaro	4	2					J Mónaco	64	1r
		J Mónaco	6	6											4	G Gaudio	61	79	6
		M Berrer	3	6	66											D Gremelmayr	77	67	0
		D Gremelmayr	6	3	78				D Gremelmayr	7	6
								14	C Rochus	5	1
																						4	G Gaudio	5	0
																						9	A Calleri	7	6
								9	A Calleri	77	6
	WC	R Eitzinger	6	6				WC	R Eitzinger	63	3
		O Marach	3	0											9	A Calleri	6	77
	Q	Á Calatrava	4	6	6										6	N Massú	2	64
	LL	D Junqueira	6	3	4			Q	Á Calatrava	6	5	63
								6	N Massú	3	7	77

Bottom half

Section 3

	First round							Second round							Third round							Quarterfinals
								7	JI Chela	64	6	6
		R Schüttler	1	0r					M Zabaleta	77	3	3
		M Zabaleta	6	0											7	JI Chela	6	6
	WC	A Sandbichler	3	3											Q	D Vemić	4	0
	Q	D Vemić	6	6				Q	D Vemić	77	5
								11	L Horna	63	2r
																						7	JI Chela	6	6
																						13	P Kohlschreiber	4	4
								13	P Kohlschreiber	77	7
		I Minář	1	6	1			Q	P Luczak	63	5
	Q	P Luczak	6	3	6										13	P Kohlschreiber	6	4	6
		R Sabău	4	3											3	J Nieminen	2	6	3
	Q	S Roitman	6	6				Q	S Roitman	3	6	4
								3	J Nieminen	6	1	6

Section 4

	First round							Second round							Third round							Quarterfinals
								8	M Youzhny	0	6	77
		D Norman	0	4					M Vassallo Argüello	6	4	62
		M Vassallo Argüello	6	6											8	M Youzhny	6	6
	WC	W Eschauer	6	66	4											E Massa	4	1
		E Massa	3	78	6				E Massa	77	77
								12	A Seppi	65	65
																						8	M Youzhny	6	3	6
																							J Melzer	3	6	3
								16	A Pavel	6	6
		M Daniel	6	6					M Daniel	4	4
		A Montañés	4	3											16	A Pavel	5	3
		Ó Hernández	3	4												J Melzer	7	6
		J Melzer	6	6					J Melzer	6	7
								2	T Robredo	2	5