2023 Challenger Ciudad de Guayaquil – Singles

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

Singles
2023 Challenger Ciudad de Guayaquil
Champion	Alejandro Tabilo
Runner-up	Daniel Elahi Galán
Score	6–2, 6–2

Main article: 2023 Challenger Ciudad de Guayaquil

Alejandro Tabilo won the title after defeating Daniel Elahi Galán 6–2, 6–2 in the final.

Seeds

1. Federico Coria (quarterfinals)
2. Daniel Elahi Galán (final)
3. Facundo Díaz Acosta (quarterfinals, retired)
4. Juan Manuel Cerúndolo (first round)
5. Alejandro Tabilo (champion)
6. Hugo Dellien (quarterfinals)
7. Felipe Meligeni Alves (semifinals)
8. Camilo Ugo Carabelli (quarterfinals)

Draw

Key

• Q = Qualifier
• WC = Wild card
• LL = Lucky loser
• Alt = Alternate
• SE = Special exempt
• PR = Protected ranking
• ITF = ITF entry
• JE = Junior exempt
• w/o = Walkover
• r = Retired
• d = Defaulted
• SR = Special ranking

Finals

	Semifinals							Final
	5	Alejandro Tabilo	6	6
		Román Andrés Burruchaga	3	4
								5	Alejandro Tabilo	6	6
								2/WC	Daniel Elahi Galán	2	2
	7	Felipe Meligeni Alves	4	65
	2/WC	Daniel Elahi Galán	6	77

Top half

	First round							Second round							Quarterfinals							Semifinals
	1	F Coria	6	5	6
	Q	Gerard Campana Lee	0	7	1			1	F Coria	4	6	6
		F Agamenone	6	4	6				F Agamenone	6	4	3
		O Crawford	3	6	1										1	F Coria	77	4	4
	WC	A Andrade	3	4											5	A Tabilo	64	6	6
		M Pucinelli de Almeida	6	6					M Pucinelli de Almeida	6	1	2
	Q	JB Torres	4	1				5	A Tabilo	4	6	6
	5	A Tabilo	6	6																		5	A Tabilo	6	6
	4	JM Cerúndolo	4	2																			RA Burruchaga	3	4
		RA Burruchaga	6	6					RA Burruchaga	5	6	6
	WC	Á Guillén Meza	4	6	4				L Neumayer	7	0	4
		L Neumayer	6	2	6											RA Burruchaga	6	5	6
		L Darderi	6	6											8	C Ugo Carabelli	4	7	1
		D Svrčina	2	3					L Darderi	6	65	2
		JL Reis da Silva	4	0				8	C Ugo Carabelli	4	77	6
	8	C Ugo Carabelli	6	6

Bottom half

	First round							Second round							Quarterfinals							Semifinals
	7	F Meligeni Alves	4	6	6
	Q	N Mejía	6	2	4			7	F Meligeni Alves	5	6	6
	Q	M Houkes	6	6				Q	M Houkes	7	3	4
	Q	C Taberner	3	1											7	F Meligeni Alves	6	3
	Q	G Bueno	0	4											3	F Díaz Acosta	1	1r
		M Trungelliti	6	6					M Trungelliti	1	6	65
		M Dellien	3	2				3	F Díaz Acosta	6	1	77
	3	F Díaz Acosta	6	6																		7	F Meligeni Alves	4	65
	6	H Dellien	6	7																		2/WC	DE Galán	6	77
	LL	Alex Barrena	2	5				6	H Dellien	6	4	6
		S Rodríguez Taverna	6	6					S Rodríguez Taverna	2	6	3
		T Boyer	1	4											6	H Dellien	1	2
		R Pacheco Méndez	1	6	65										2/WC	DE Galán	6	6
		E Ymer	6	2	77				E Ymer	3	2
		K Feldbausch	3	77	0r			2/WC	DE Galán	6	6
	2/WC	DE Galán	6	64	5