Singles
2021 Cassis Open Provence
Champion	Benjamin Bonzi
Runner-up	Lucas Pouille
Score	7–6(7–4), 6–4

Jo-Wilfried Tsonga was the defending champion^[1] but chose not to defend his title.

Benjamin Bonzi won the title after defeating Lucas Pouille 7–6^(7–4), 6–4 in the final.

Seeds

Draw

Finals

	Semifinals							Final
	1	Benjamin Bonzi	6	6
		Kacper Żuk	3	4
								1	Benjamin Bonzi	77	6
								5	Lucas Pouille	64	4
	8	Liam Broady	4	3
	5	Lucas Pouille	6	6

Top half

	First round							Second round							Quarterfinals							Semifinals
	1	B Bonzi	7	6
		T Fabbiano	5	3				1	B Bonzi	7	77
	LL	A Galarneau	6	6				LL	A Galarneau	5	64
	Alt	B Tomic	1	2											1	B Bonzi	6	3	6
	WC	L Van Assche	5												WC	L Van Assche	3	6	2
	Alt	Yo Watanuki	0r					WC	L Van Assche	6	60	6
		A Çelikbilek	6	6					A Çelikbilek	3	77	3
	6	G Barrère	3	3																		1	B Bonzi	6	6
	4	M Kukushkin	0	2r																			K Żuk	3	4
		R Safiullin	6	4					R Safiullin	610	6	2
	Q	G Mpetshi Perricard	2	4					T Kokkinakis	712	3	6
		T Kokkinakis	6	6												T Kokkinakis	4	63
	WC	A Fils	613	7	1											K Żuk	6	77
	Alt	T Ito	715	5	6			Alt	T Ito	5	3
		K Żuk	6	6					K Żuk	7	6
	7	J Rodionov	3	3

Bottom half

	First round							Second round							Quarterfinals							Semifinals
	8	L Broady	6	6
		E Escobedo	2	4				8	L Broady	77	77
	LL	L Lokoli	2	2					M Bourgue	63	60
		M Bourgue	6	6											8	L Broady	79	6
	Alt	H Grenier	6	611	6										Q	R Ramanathan	67	4
		G Soeda	4	713	1			Alt	H Grenier	6	3	4
		E Gulbis	3	6	2			Q	R Ramanathan	4	6	6
	Q	R Ramanathan	6	0	6																	8	L Broady	4	3
	5	L Pouille	6	77																		5	L Pouille	6	6
		J Sousa	1	63				5	L Pouille	77	6
		E Ymer	7	6					E Ymer	65	1
		A Müller	5	4											5	L Pouille	77	6
	Q	H Moriya	6	77											WC	C Chidekh	61	4
	Q	N Jarry	4	65				Q	H Moriya	3	0
	WC	C Chidekh	6	6				WC	C Chidekh	6	6
	LL	A Cazaux	4	4

References

External links

• Main draw
• Qualifying draw