Singles
2013 Open Harmonie mutuelle
Champion	Jesse Huta Galung
Runner-up	Kenny de Schepper
Score	7–6(7–4), 4–6, 7–6(7–3)

Grégoire Burquier was the defending champion but decided not to participate.
Jesse Huta Galung won the final 7–6^(7–4), 4–6, 7–6^(7–3) against Kenny de Schepper.

Seeds

Draw

Finals

	Semifinals							Final
	1	Kenny de Schepper	77	6
	Q	Martin Fischer	64	3
								1	Kenny de Schepper	64	6	63
									Jesse Huta Galung	77	4	77
		Jesse Huta Galung	6	7
		Jan Mertl	4	5

Top half

	First round							Second round							Quarterfinals							Semifinals
	1	K de Schepper	6	6
	WC	R Jouan	2	2				1	K de Schepper	7	6
		D Meffert	6	6					D Meffert	5	3
		I Navarro	1	3											1	K de Schepper	4	6	6
	WC	F Martin	6	6												O Nedovyesov	6	3	3
	Q	D Petrović	3	2				WC	F Martin	4	0
		O Nedovyesov	6	6					O Nedovyesov	6	6
	7	B Pašanski	2	1																		1	K de Schepper	77	6
	4	J Ouanna	62	2																		Q	M Fischer	64	3
		D Guez	77	6					D Guez	6	6
		B Westerhof	65	6	1				K Kravchuk	2	3
		K Kravchuk	77	4	6											D Guez	6	3	4
		A Brugués-Davi	6	6											Q	M Fischer	4	6	6
		M Middelkoop	2	4					A Brugués-Davi	1	0
	Q	M Fischer	6	77				Q	M Fischer	6	6
	6	N Mahut	4	63

Bottom half

	First round							Second round							Quarterfinals							Semifinals
	5	D Brown	6	4	6
		N Desein	4	6	4			5	D Brown	4	3
	WC	M Rodrigues	64	2					S Robert	6	6
		S Robert	77	6												S Robert	2	64
	WC	C Lestienne	2	2												J Huta Galung	6	77
		M Bašić	6	6					M Bašić	65	65
		J Huta Galung	7	78					J Huta Galung	77	77
	3	M Gicquel	5	66																			J Huta Galung	6	7
	8	M Przysiężny	3	4																			J Mertl	4	5
		V Millot	6	6					V Millot	0r
	Q	H Nys	4	1					J Mertl	3
		J Mertl	6	6												J Mertl	4	6	6
		N Renavand	6	6												N Renavand	6	4	4
		V Crivoi	1	4					N Renavand	77	6
	Q	A Bossel	4	3				2	A Haider-Maurer	61	3
	2	A Haider-Maurer	6	6

References

• Main Draw
• Qualifying Draw