Singles
2017 Challenger La Manche
Champion	Mathias Bourgue
Runner-up	Maximilian Marterer
Score	6–3, 7–6(7–3)

Jordan Thompson was the defending champion but chose not to defend his title.

Mathias Bourgue won the title after defeating Maximilian Marterer 6–3, 7–6^(7–3) in the final.

Seeds

Draw

Finals

	Semifinals							Final
		Kenny de Schepper	6	64	3
		Mathias Bourgue	4	77	6
									Mathias Bourgue	6	77
									Maximilian Marterer	3	63
	3	Julien Benneteau	4	79	65
		Maximilian Marterer	6	67	77

Top half

	First round							Second round							Quarterfinals							Semifinals
	1	J Chardy	6	63	65
		S Diez	3	77	77				S Diez	6	3	2
	Q	C Moutet	6	3	6			Q	C Moutet	4	6	6
		Jeremy Jahn	4	6	3										Q	C Moutet	5	3
		S Napolitano	5	0												K de Schepper	7	6
	Q	H Nys	7	6				Q	H Nys	4	3
		K de Schepper	6	77					K de Schepper	6	6
	8	U Ignatik	3	65																			K de Schepper	6	64	3
	4	N Gombos	6	7																			M Bourgue	4	77	6
		L Giustino	2	5				4	N Gombos	77	6
		I Ivashka	2	6	6				I Ivashka	63	1
	SE	E Corrie	6	4	3										4	N Gombos	65	65
		M Bourgue	77	6												M Bourgue	77	77
		D Brands	62	4					M Bourgue	6	6
	WC	A Sidorenko	1	4				5	D-h Lee	4	4
	5	D-h Lee	6	6

Bottom half

	First round							Second round							Quarterfinals							Semifinals
	6	P Gojowczyk	6	6
	WC	G Blancaneaux	2	4				6	P Gojowczyk	6	6
	WC	A Michon	6	711				WC	A Michon	2	4
	Q	D Masur	4	69											6	P Gojowczyk	4	6	4
		M Zekić	3	4											3	J Benneteau	6	1	6
		A Menéndez-Maceiras	6	6					A Menéndez-Maceiras	77	2	3
	Q	F Krajinović	5	3				3	J Benneteau	65	6	6
	3	J Benneteau	7	6																		3	J Benneteau	4	79	65
	7	L Vanni	6	6																			M Marterer	6	67	77
		M Bašić	4	4				7	L Vanni	65	2
		M Marterer	77	6					M Marterer	77	6
		Q Halys	64	3												M Marterer	7	7
		Y Reuter	77	2	65										WC	M Janvier	5	5
		T Lamasine	64	6	77				T Lamasine	3	77	3
	WC	M Janvier	6	62	6			WC	M Janvier	6	65	6
	2	I Marchenko	3	77	3

References

• Main Draw
• Qualifying Draw