Singles
2023 Sanremo Challenger
Champion	Luca Van Assche
Runner-up	Juan Pablo Varillas
Score	6–1, 6–3

Holger Rune was the defending champion^[1] but chose not to defend his title.

Luca Van Assche won the title after defeating Juan Pablo Varillas 6–1, 6–3 in the final.

Seeds

Draw

Finals

	Semifinals							Final
	1	Juan Pablo Varillas	6	6
	Q	Kimmer Coppejans	3	4
								1	Juan Pablo Varillas	1	3
								5	Luca Van Assche	6	6
	5	Luca Van Assche	77	6
		Vít Kopřiva	64	2

Top half

	First round							Second round							Quarterfinals							Semifinals
	1	JP Varillas	6	77
	Q	F Arnaboldi	4	61				1	JP Varillas	6	1	6
		A Pellegrino	79	6					A Pellegrino	4	6	1
	WC	M Gigante	67	4											1	JP Varillas	3	6	6
	Q	V Vacherot	3	3											Q	A Vavassori	6	3	4
	Q	Edoardo Lavagno	6	6				Q	E Lavagno	5	65
	Q	A Vavassori	4	7	4			Q	A Vavassori	7	77
	7	P Kotov	6	5	0r																	1	JP Varillas	6	6
	4	A Karatsev	7	2	3																	Q	K Coppejans	3	4
	Q	K Coppejans	5	6	6			Q	K Coppejans	6	7
		M Guinard	2	3					S Ofner	4	5
		S Ofner	6	6											Q	K Coppejans	6	62	77
		J Kovalík	6	6												Z Piros	1	77	64
	SE	B Harris	2	1					J Kovalík	3	66
		Z Piros	6	77					Z Piros	6	78
	6	M Arnaldi	3	63

Bottom half

	First round							Second round							Quarterfinals							Semifinals
	5	L Van Assche	2	6	6
		R Peniston	6	3	2			5	L Van Assche	6	6
	WC	G Ferrari	1	62				Q	G Fonio	3	3
	Q	G Fonio	6	77											5	L Van Assche	6	6
		A Müller	1	6	6											A Müller	2	1
		K Uchida	6	3	3				A Müller	7	6
		C-h Tseng	3	3				3	A Shevchenko	5	2
	3	A Shevchenko	6	6																		5	L Van Assche	77	6
	8	G Zeppieri	6	6																			V Kopřiva	64	2
	SE	A Giannessi	1	1				8	G Zeppieri	64	3
		L Nardi	4	4				WC	G Mager	77	6
	WC	G Mager	6	6											WC	G Mager	4	3
		F Cobolli	6	6												V Kopřiva	6	6
		F Maestrelli	4	4					F Cobolli	3	1
		V Kopřiva	6	6					V Kopřiva	6	6
	2	M Cecchinato	4	4

References

External links

• Main draw
• Qualifying draw