Singles
2009 ATP Studena Croatia Open Umag
Final
Champion	Nikolay Davydenko
Runner-up	Juan Carlos Ferrero
Score	6–3, 6–0
Details
Draw	32 (4 Q / 3 WC )
Seeds	8
Events
Singles Doubles
← 2008 · ATP Studena Croatia Open Umag · 2010 →

Fernando Verdasco was the defending champion, but chose not to participate that year.

Nikolay Davydenko won in the final 6–3, 6–0 against Juan Carlos Ferrero.

	Semifinals							Final
	1	Nikolay Davydenko	6	6
	4	Jürgen Melzer	1	1
								1	Nikolay Davydenko	6	6
								5	Juan Carlos Ferrero	3	0
	5	Juan Carlos Ferrero	6	61	7
	7	Andreas Seppi	1	77	5

	First round							Second round							Quarterfinals							Semifinals
	1	N Davydenko	6	6
		D Gimeno Traver	2	2				1	N Davydenko	6	6
		A Martín	6	6					A Martín	2	3
	Q	M Kližan	4	4											1	N Davydenko	712	6
		S Bolelli	79	3	6											S Bolelli	610	1
	Q	R Ramírez Hidalgo	67	6	0				S Bolelli	6	6
		F Fognini	2	6	6				F Fognini	3	4
	8	M Zverev	6	3	4																	1	N Davydenko	6	6
	4	J Melzer	6	7																		4	J Melzer	1	1
		B Dabul	3	5				4	J Melzer	6	6
	WC	I Dodig	3	1					P Cuevas	4	3
		P Cuevas	6	6											4	J Melzer	4	77	6
		I Ljubičić	6	6												I Ljubičić	6	63	3
	WC	F Volandri	1	4					I Ljubičić	7	77
	Q	M Granollers	1	3				6	N Almagro	5	62
	6	N Almagro	6	6

	First round							Second round							Quarterfinals							Semifinals
	5	JC Ferrero	6	6
		C Rochus	2	3				5	JC Ferrero	1	6	6
	LL	G Žemlja	1	3					P Starace	6	3	2
		P Starace	6	6											5	JC Ferrero	7	6
		S Stakhovsky	63	1												M González	5	2
		Ó Hernández	77	6					Ó Hernández	4	4
		M González	6	3	78				M González	6	6
	3	V Troicki	4	6	66																	5	JC Ferrero	6	61	7
	7	A Seppi	6	2	6																	7	A Seppi	1	77	5
	Q	JI Chela	4	6	3			7	A Seppi	7	77
		F Gil	7	6					F Gil	5	65
		S Roitman	5	2											7	A Seppi	6	6
		N Massú	5	6	6											N Massú	4	4
	WC	B Kavčič	7	3	2				N Massú	4	6	6
		D Köllerer	1	77	3			2	D Ferrer	6	2	4
	2	D Ferrer	6	62	6

• Main Draw
• Qualifying Draw