Singles
2023 Challenger de Santiago
Champion	Hugo Dellien
Runner-up	Thiago Seyboth Wild
Score	3–6, 6–3, 6–3

Hugo Dellien was the defending champion^[1] and successfully defended his title after defeating Thiago Seyboth Wild 3–6, 6–3, 6–3 in the final.

Seeds

Draw

Finals

	Semifinals							Final
	8	Facundo Díaz Acosta	62	3
	Q	Thiago Seyboth Wild	77	6
								Q	Thiago Seyboth Wild	6	3	3
								4	Hugo Dellien	3	6	6
	4	Hugo Dellien	6	6
		Genaro Alberto Olivieri	2	2

Top half

	First round							Second round							Quarterfinals							Semifinals
	Q	D Dutra da Silva	6	64	2r
	LL	JL Reis da Silva	4	77	4			LL	JL Reis da Silva	6	3	5
		L Darderi	77	77					L Darderi	4	6	7
	WC	G Lama	65	61												L Darderi	0	5
		F Delbonis	4	6	3										8	F Díaz Acosta	6	7
	Q	H Gaston	6	4	6			Q	H Gaston	5	3
		N Kicker	3	3				8	F Díaz Acosta	7	6
	8	F Díaz Acosta	6	6																		8	F Díaz Acosta	62	3
	3	F Bagnis	6	6																		Q	T Seyboth Wild	77	6
		B Kuzuhara	0	1				3	F Bagnis	6	6
	LL	G Villanueva	0	1					H Casanova	2	3
		H Casanova	6	6											3	F Bagnis	6	1	0
		T Barrios Vera	5	6	1										Q	T Seyboth Wild	3	6	6
		G Bueno	7	2	6				G Bueno	2	65
	Q	T Seyboth Wild	6	6				Q	T Seyboth Wild	6	77
	5	JM Cerúndolo	3	4

Bottom half

	First round							Second round							Quarterfinals							Semifinals
	7	F Agamenone	6	65	6
	Q	JB Torres	3	77	3			7	F Agamenone	3	6	6
		M Navone	0	4					RA Burruchaga	6	2	4
		RA Burruchaga	6	6											7	F Agamenone	77	63	65
		A Vavassori	6	6											4	H Dellien	65	77	77
		TA Tirante	4	4					A Vavassori	5	6	62
		A Pellegrino	3	6	2			4	H Dellien	7	4	77
	4	H Dellien	6	4	6																	4	H Dellien	6	6
	6	C Ugo Carabelli	6	6																			GA Olivieri	2	2
	WC	Nicolás Villalón	1	0				6	C Ugo Carabelli	4	7	4
	Q	F Gaio	65	6	6			Q	F Gaio	6	5	6
		R Olivo	77	4	1										Q	F Gaio	3	3
		GA Olivieri	78	6												GA Olivieri	6	6
	Q	Á López San Martín	66	4					GA Olivieri	78	6
		R Bonadio	77	6					R Bonadio	66	2
	2	M Cecchinato	64	2

References

External links

• Main draw
• Qualifying draw