Singles
2012 MercedesCup
Final
Champion	Janko Tipsarević
Runner-up	Juan Mónaco
Score	6–4, 5–7, 6–3
Details
Draw	28
Seeds	8
Events
Singles Doubles
← 2011 · Stuttgart Open · 2013 →

Juan Carlos Ferrero was the defending champion, but chose to compete in Umag.
Janko Tipsarević won the title against Juan Mónaco after defeating him 6–4, 5–7, 6–3 in the final.^[1]

The top four seeds receive a bye into the second round.

	Semifinals							Final
	1	Janko Tipsarević	6	2	6
		Thomaz Bellucci	4	6	4
								1	Janko Tipsarević	6	5	6
								2	Juan Mónaco	4	7	3
		Guillermo García López	3	6	5
	2	Juan Mónaco	6	3	7

	First round							Second round							Quarterfinals							Semifinals
								1	J Tipsarević	6	6
		S Darcis	6	6					S Darcis	4	2
		A Montañés	2	4											1	J Tipsarević	66	77	6
		B Phau	6	6												B Phau	78	62	4
	Q	M Fischer	3	3					B Phau	77	77
		L Rosol	6	7					L Rosol	63	62
	5	R Haase	4	5																		1	J Tipsarević	6	2	6
																							T Bellucci	4	6	4
								3	B Tomic	66	3
		T Bellucci	77	6					T Bellucci	78	6
	WC	R Kern	63	2												T Bellucci	6	6
	Q	J Reister	2	4												C-M Stebe	4	1
		J Chardy	6	6					J Chardy	6	68	3
		C-M Stebe	6	0	6				C-M Stebe	4	710	6
	7	Ł Kubot	2	6	3

	First round							Second round							Quarterfinals							Semifinals
	6	N Davydenko	5	6	67
	WC	D Brown	7	3	79			WC	D Brown	77	4	6
		B Paire	77	6					B Paire	64	6	1
	LL	E Schwank	65	4											WC	D Brown	0	3
		G García López	6	6												G García López	6	6
		R Ramírez Hidalgo	2	3					G García López	6	4	6
								4	P Andújar	1	6	1
																							G García López	3	6	5
	8/WC	T Haas	4	6	6																	2	J Mónaco	6	3	7
	Q	I Andreev	6	2	2			8/WC	T Haas	4	4
		S Stakhovsky	1	6	1			Q	P Červenák	6	6
	Q	P Červenák	6	4	6										Q	P Červenák	1	5
		F Cipolla	3	4											2	J Mónaco	6	7
		T Kamke	6	6					T Kamke	2	3
								2	J Mónaco	6	6

The top two seeds receive a bye into the second round.

1. Eduardo Schwank

	First round							Second round							Qualifying competition
								1	Igor Andreev	6	6
		Blaz Seric	w/o						Blaz Seric	3	3
		Ivan Gómez Mantilla													1	Igor Andreev	77	7
		Pascal Meis	77	3	4										5	Robert Farah	64	5
	WC	Elmar Ejupovic	65	6	6			WC	Elmar Ejupovic	3	4
		Artem Sitak	2	0				5	Robert Farah	6	6
	5	Robert Farah	6	6

	First round							Second round							Qualifying competition
								2	Eduardo Schwank	5	7	6
	WC	Christian Wickenhäuser	3	0					Juan Sebastián Cabal	7	5	3
		Juan Sebastián Cabal	6	6											2	Eduardo Schwank	5	1
		Maximilian Neuchrist	77	6											7	Martin Fischer	7	6
		Bastian Knittel	65	4					Maximilian Neuchrist	2	4
		Sebastian Sachs	4	3				7	Martin Fischer	6	6
	7	Martin Fischer	6	6

	First round							Second round							Qualifying competition
	3	Andrey Golubev	6	6
		Jan-Lennard Struff	4	2
								3	Andrey Golubev	69	1
									Julian Reister	711	6
		Julian Reister	6	710
		Stéphane Bohli	2	68
																Julian Reister	6	6
															8	Farrukh Dustov	1	4
		Neven Krivokuća	2	2
	WC	Evgeny Karlovskiy	6	6
								WC	Evgeny Karlovskiy	4	2
								8	Farrukh Dustov	6	6
		Jeremy Jahn	6	2	4
	8	Farrukh Dustov	4	6	6

	First round							Second round							Qualifying competition
	4	Josselin Ouanna	6	6
		Evgeny Kirillov	3	4
								4	Josselin Ouanna	2
									André Sá	1r
		André Sá	6	6
	WC	Yannick Offermanns	4	0
															4	Josselin Ouanna	6	4	67
															6	Pavol Červenák	4	6	79
		James Lemke	77	6
		Florian Fallert	61	4
									James Lemke	2	6	1
								6	Pavol Červenák	6	4	6
		Nils Langer	2	3
	6	Pavol Červenák	6	6

• Main draw
• Qualifying draw