Singles
2015 Marburg Open
Final
Champion	Íñigo Cervantes
Runner-up	Nils Langer
Score	2–6, 7–6(7–3), 6–3
Events
Singles Doubles
← 2014 · Marburg Open · 2016 →

Horacio Zeballos was the defending champion, but he did not participate this year.

Íñigo Cervantes won the title defeating Nils Langer in the final,^[1] 2–6, 7–6^(7–3), 6–3.

	Semifinals							Final
		Karen Khachanov	62	4
	5	Íñigo Cervantes	77	6
								5	Íñigo Cervantes	2	77	6
									Nils Langer	6	63	3
		Nils Langer	6	6
	WC	Daniel Brands	2	4

	First round							Second round							Quarterfinals							Semifinals
	1	T Daniel	6	3	4
		M Bašić	3	6	6				M Bašić	3	710	77
	WC	D Masur	2	65					U Ignatik	6	68	62
		U Ignatik	6	77												M Bašić	0	5
		K Khachanov	6	6												K Khachanov	6	7
	PR	P Riba	4	4					K Khachanov	5	77	6
		T Pütz	4	1				8	T Kamke	7	62	3
	8	T Kamke	6	6																			K Khachanov	62	4
	4	A Golubev	4	77	3																	5	Í Cervantes	77	6
		G Mina	6	63	6				G Mina	2	2
	Q	J Šátral	66	6	6			Q	J Šátral	6	6
	Q	E Donskoy	78	4	3										Q	J Šátral	6	3	2
	LL	L Giustino	3	1											5	Í Cervantes	1	6	6
		A Beck	6	6					A Beck	2	6	2
	WC	J Choinski	3	4				5	Í Cervantes	6	3	6
	5	Í Cervantes	6	6

	First round							Second round							Quarterfinals							Semifinals
	6	J Zopp	65	3
		N Langer	77	6					N Langer	77	6
		J Kubler	6	6					J Kubler	64	3
		G Panfil	2	3												N Langer	77
	Q	M Ledovskikh	710	4	6										Q	A De Greef	61	r
		L Djere	68	6	4			Q	M Ledovskikh	62	65
	Q	A De Greef	6	6				Q	A De Greef	77	77
	3	F Dustov	3	2																			N Langer	6	6
	7	R Olivo	4	4																		WC	D Brands	2	4
	WC	D Brands	6	6				WC	D Brands	4	6	6
		M Authom	3	4					G Lapentti	6	4	4
		G Lapentti	6	6											WC	D Brands	6	6
	SE	R Dutra Silva	6	6											SE	R Dutra Silva	3	2
		J Kovalík	4	0				SE	R Dutra Silva	6
	WC	J Lenz	6	3	3			2	P-H Mathieu	3r
	2	P-H Mathieu	4	6	6

• Main Draw
• Qualifying Draw