Singles
2017 Open Harmonie mutuelle
Final
Champion	Egor Gerasimov
Runner-up	Tobias Kamke
Score	7–6(7–3), 7–6(7–5)
Events
Singles Doubles
← 2016 · Open Harmonie mutuelle · 2018 →

Alexandre Sidorenko was the defending champion but chose not to defend his title.

Egor Gerasimov won the title after defeating Tobias Kamke 7–6^(7–3), 7–6^(7–5) in the final.

	Semifinals							Final
	Q	Egor Gerasimov	4	6	6
	WC	Corentin Moutet	6	4	3
								Q	Egor Gerasimov	77	77
								8	Tobias Kamke	63	65
		Gleb Sakharov	64	6	0
	8	Tobias Kamke	77	4	6

	First round							Second round							Quarterfinals							Semifinals
	1	G Melzer	4	5
	Q	E Gerasimov	6	7				Q	E Gerasimov	63	6	6
	PR	S Bolelli	6	6				PR	S Bolelli	77	4	3
		D Brands	4	3											Q	E Gerasimov	7	78
		M Chiudinelli	6	3	77											M Chiudinelli	5	66
	Q	H Nys	1	6	65				M Chiudinelli	6	6
	Alt	L Lokoli	1	6	3			7	R Ramírez Hidalgo	0	1
	7	R Ramírez Hidalgo	6	4	6																	Q	E Gerasimov	4	6	6
	3	N Gombos	61	3																		WC	C Moutet	6	4	3
	WC	C Moutet	77	6				WC	C Moutet	6	6
	Q	D Guez	3	6	4			WC	R Boutillier	4	4
	WC	R Boutillier	6	3	6										WC	C Moutet	2	79	77
		Jeremy Jahn	6	6												J McGee	6	67	65
		A Kudryavtsev	3	4					J Jahn	62	77	3
		J McGee	6	6					J McGee	77	63	6
	5	Q Halys	4	4

	First round							Second round							Quarterfinals							Semifinals
	6	K de Schepper	6	6
	WC	E Furness	2	2				6	K de Schepper	4	64
		Marc Sieber	2	3					G Sakharov	6	77
		G Sakharov	6	6												G Sakharov	6	77
		M Janvier	6	4	6										4	L Lacko	2	63
		A Šetkić	3	6	4				M Janvier	0	5
		F Škugor	2	3				4	L Lacko	6	7
	4	L Lacko	6	6																			G Sakharov	64	6	0
	8	T Kamke	6	6																		8	T Kamke	77	4	6
		Petr Michnev	1	0				8	T Kamke	6	77
		E Corrie	64	1				Q	O Otte	2	65
	Q	O Otte	77	6											8	T Kamke	7	6
		M Authom	4	5											2	S Stakhovsky	5	3
		Y Reuter	6	7					Y Reuter	1	1
	WC	E Couacaud	4	4				2	S Stakhovsky	6	6
	2	S Stakhovsky	6	6

• Main Draw
• Qualifying Draw