Singles
2018 Cassis Open Provence
Champion	Enzo Couacaud
Runner-up	Ugo Humbert
Score	6–2, 6–3

This was the first edition of the tournament.

Enzo Couacaud won the title after defeating Ugo Humbert 6–2, 6–3 in the final.

Seeds

Draw

Finals

	Semifinals							Final
	Q	Enzo Couacaud	6	6
	3	Adrián Menéndez Maceiras	4	4
								Q	Enzo Couacaud	6	6
								5	Ugo Humbert	2	3
		James Ward	63	4
	5	Ugo Humbert	77	6

Top half

	First round							Second round							Quarterfinals							Semifinals
	1	R Berankis	77	3	4
	Q	E Couacaud	65	6	6			Q	E Couacaud	6	6
		G Oliveira	3	1					M Bachinger	4	3
		M Bachinger	6	6											Q	E Couacaud	3	6	6
		S Griekspoor	6	6												S Griekspoor	6	4	1
		E Karlovskiy	4	4					S Griekspoor	6
		N Gombos	66	5				8	M Moraing	5r
	8	M Moraing	78	7																		Q	E Couacaud	6	6
	3	A Menéndez Maceiras	79	6																		3	A Menéndez Maceiras	4	4
	WC	A Rinderknech	67	3				3	A Menéndez Maceiras	6	7
	WC	A Müller	6	6				WC	A Müller	2	5
	Q	D Evans	3	4											3	A Menéndez Maceiras	6	65	6
	WC	E Benchetrit	6	6												A Hoang	2	77	3
	Q	TK Wang	1	4				WC	E Benchetrit	4	77	1
		A Hoang	3	77	7				A Hoang	6	65	6
	7	G Barrère	6	62	5

Bottom half

	First round							Second round							Quarterfinals							Semifinals
	6	B Tomic	77	5	5
		T Griekspoor	65	7	7				T Griekspoor	61	6	3
		N Milojević	4	7	4				J Ward	77	3	6
		J Ward	6	5	6											J Ward	79	3	6
		O Roca Batalla	6	6												O Otte	67	6	3
	Q	Jonathan Kanar	3	4					O Roca Batalla	3	4
		O Otte	77	3	7				O Otte	6	6
	4	S Stakhovsky	62	6	5																		J Ward	63	4
	5	U Humbert	77	6																		5	U Humbert	77	6
		C İlkel	65	4				5	U Humbert	6	77
		T Kamke	7	6					T Kamke	4	64
		A Nedovyesov	5	4											5	U Humbert	6	6
	WC	M Bourgue	77	1											WC	M Bourgue	3	3
		V Šafránek	65	0r				WC	M Bourgue	6	6
		Q Halys	77	6					Q Halys	0	4
	2	C Moutet	64	4

References

• Main Draw
• Qualifying Draw