Singles
2012 Prosperita Open
Champion	Jonathan Dasnières de Veigy
Runner-up	Jan Hájek
Score	7–5, 6–2

Stéphane Robert was the defending champion but decided not to participate.
Jonathan Dasnières de Veigy won the title by defeating Jan Hájek 7–5, 6–2 in the final.

Seeds

Draw

Finals

	Semifinals							Final
	1	Jan Hájek	6	6
	3	Guillaume Rufin	3	4
								1	Jan Hájek	5	2
									Jonathan Dasnières de Veigy	7	6
	5	Simone Vagnozzi	2	5
		Jonathan Dasnières de Veigy	6	7

Top half

	First round							Second round							Quarterfinals							Semifinals
	1	J Hájek	6	6
		B Mitchell	4	3				1	J Hájek	6	7
	WC	J Veselý	3	2					A Begemann	2	5
		A Begemann	6	6											1	J Hájek	6	6
	WC	Jakub Lustyk	3	2												Enrico Burzi	4	2
		Enrico Burzi	6	6					Enrico Burzi	7	3	7
	WC	G Panfil	5	3				6	Y Mertens	5	6	5
	6	Y Mertens	7	6																		1	J Hájek	6	6
	3	G Rufin	5	7	6																	3	G Rufin	3	4
	LL	M Gawron	7	5	3			3	G Rufin	6	6
		K Čapkovič	6	4	4				R Albot	4	2
		R Albot	4	6	6										3	G Rufin	6	77
	Q	M Michalička	5	2											7	D Lojda	0	64
		T Fabbiano	7	6					T Fabbiano	4	62
		Julien Obry	5	0				7	D Lojda	6	77
	7	D Lojda	7	6

Bottom half

	First round							Second round							Quarterfinals							Semifinals
	5	S Vagnozzi	6	6
		É Chvojka	3	3				5	S Vagnozzi	6	6
	WC	A Pavlásek	5	3				Q	G Žemlja	4	3
	Q	G Žemlja	7	6											5	S Vagnozzi	7	6
		A Michon	0	65												M Marrai	5	3
		M Marrai	6	77					M Marrai	77	6
		P Oswald	2	5				4	J Mertl	65	3
	4	J Mertl	6	7																		5	S Vagnozzi	2	5
	8	M Rodrigues	5	1																			J Dasnières de Veigy	6	7
		J Dasnières de Veigy	7	6					J Dasnières de Veigy	6	6
	PR	F Škugor	3	2					G Granollers	3	1
		G Granollers	6	6												J Dasnières de Veigy	3	6	6
	Q	A Martin	3	6	6										Q	A Martin	6	3	3
		M Reid	6	3	2			Q	A Martin	6	6
	Q	M Neuchrist	4	65				2	T Gabashvili	4	0
	2	T Gabashvili	6	77

References

• Main Draw
• Qualifying Draw