Singles
2010 Open de Rennes
Final
Champion	Marc Gicquel
Runner-up	Stéphane Bohli
Score	7–6(7–6), 4–6, 6–1
Events
Singles Doubles
← 2009 · Open de Rennes · 2011 →

Alejandro Falla was the defending champion, but decided not to participate this year.
Marc Gicquel won this tournament, by defeating 5th seed Stéphane Bohli 7–6^(7–6), 4–6, 6–1 in the final.

	Semifinals							Final
	PR	Frank Dancevic	78	2	69
	5	Stéphane Bohli	66	6	711
								5	Stéphane Bohli	66	6	1
									Marc Gicquel	78	4	6
		Marc Gicquel	6	6
		Roberto Bautista-Agut	1	2

	First round							Second round							Quarterfinals							Semifinals
	1	A Clément	77	6
	WC	R Jouan	63	4				1	A Clément	6	6
	Q	P-H Herbert	6	0	3				J Ouanna	3	4
		J Ouanna	3	6	6										1	A Clément	79	4	4
	PR	F Dancevic	7	79											PR	F Dancevic	67	6	6
	Q	M Bachinger	5	67				PR	F Dancevic	77	77
	WC	L Rochette	6	0	4			7	G Dimitrov	64	63
	7	G Dimitrov	1	6	6																	PR	F Dancevic	78	2	69
	4	B Phau	6	6																		5	S Bohli	66	6	711
	Q	R El Amrani	4	1				4	B Phau	6	4	6
		B Paire	2	6	63			WC	C-A Brézac	2	6	1
	WC	C-A Brézac	6	3	77										4	B Phau	1	3
	Q	H Kontinen	7	6											5	S Bohli	6	6
		L Rosol	5	4				Q	H Kontinen	64	0
		A Mannarino	6	1	5			5	S Bohli	77	6
	5	S Bohli	4	6	7

	First round							Second round							Quarterfinals							Semifinals
	6	D Guez	6	4	6
		D Gremelmayr	0	6	3			6	D Guez	2	2
		V Millot	2	2					M Ebden	6	6
		M Ebden	6	6												M Ebden	3	1
	WC	K Vliegen	6	65	3											M Gicquel	6	6
		I Sijsling	4	77	6				I Sijsling	4	4
		M Gicquel	6	6					M Gicquel	6	6
	3	S Robert	3	4																			M Gicquel	6	6
	8	I Bozoljac	7	3	62																		R Bautista-Agut	1	2
		N Desein	5	6	77				N Desein	6	1	4
		D Kindlmann	6	2	1				C Niland	3	6	6
		C Niland	4	6	6											C Niland	6	1	5
	SE	A Gensse	5	61												R Bautista-Agut	3	6	7
		R Bautista-Agut	7	77					R Bautista-Agut	6	66	6
		N Mahut	68	6	6				N Mahut	4	78	4
	2	L Lacko	710	2	4

• Main Draw
• Qualifying Draw