2019 Challenger de Buenos Aires – Singles

Singles
2019 Challenger de Buenos Aires
Champion	Sumit Nagal
Runner-up	Facundo Bagnis
Score	6–4, 6–2

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

Sumit Nagal won the title after defeating Facundo Bagnis 6–4, 6–2 in the final.

All seeds receive a bye into the second round.

	Quarterfinals							Semifinals							Final
		Agustín Velotti	3	61
	8	Facundo Bagnis	6	77
								8	Facundo Bagnis	6	3	6
								3	Leonardo Mayer	2	6	3
	3	Leonardo Mayer	6	63	77
		Juan Pablo Ficovich	1	77	65
															8	Facundo Bagnis	4	2
															7	Sumit Nagal	6	6
	11	Andrea Collarini	6	1	5
	4	Thiago Monteiro	3	6	7
								4	Thiago Monteiro	0	1
								7	Sumit Nagal	6	6
	7	Sumit Nagal	6	4	6
	13	Francisco Cerúndolo	3	6	4

	First round							Second round							Third round							Quarterfinals
								1	F Delbonis	4	3
		Maximiliano Estévez	0	2					A Velotti	6	6
		A Velotti	6	6												A Velotti	78	1	6
		N Álvarez	6	6											16	T Seyboth Wild	66	6	3
	WC	JM Cerúndolo	3	0					N Álvarez	4	4
								16	T Seyboth Wild	6	6
																							A Velotti	3	61
																						8	F Bagnis	6	77
								9	F Mena	60	2
		G Elias	4	0r					F Meligeni Alves	77	6
		F Meligeni Alves	6	3												F Meligeni Alves	4	1
		Bastián Malla	610	4											8	F Bagnis	6	6
		M Cuevas	712	6					M Cuevas	4	2
								8	F Bagnis	6	6

	First round							Second round							Third round							Quarterfinals
								3	L Mayer	7	6
	Q	F Zeballos	6	6				Q	F Zeballos	5	1
		G Villanueva	4	1											3	L Mayer	710	6
		M Kestelboim	3	7	5										WC	F Díaz Acosta	68	3
	WC	F Díaz Acosta	6	5	7			WC	F Díaz Acosta	7	4	6
								14	R Olivo	5	6	2
																						3	L Mayer	6	63	77
																							JP Ficovich	1	77	65
								10	J Menezes	6	5	5
		O Luz	2	66					JP Ficovich	2	7	7
		JP Ficovich	6	78												JP Ficovich	7	6
		Matías Zukas	6	65	2											C Ugo Carabelli	5	4
		C Ugo Carabelli	4	77	6				C Ugo Carabelli	6	6
								6	F Coria	4	4

	First round							Second round							Third round							Quarterfinals
								5	G Andreozzi	79	2	6
		GA Olivieri	6	6					GA Olivieri	67	6	3
		Oscar José Gutierrez	4	4											5	G Andreozzi	4	4
		Jordan Correia	2	0											11	A Collarini	6	6
		P Toledo Bagué	6	6					P Toledo Bagué	4	5
								11	A Collarini	6	7
																						11	A Collarini	6	1	5
																						4	T Monteiro	3	6	7
								15	MF Descotte	4	4
	WC	RA Burruchaga	4	2					C Lindell	6	6
		C Lindell	6	6												C Lindell	66	64
	WC	TA Tirante	6	7											4	T Monteiro	78	77
	Alt	R Matos	4	5				WC	TA Tirante	1	2
								4	T Monteiro	6	6

	First round							Second round							Third round							Quarterfinals
								7	S Nagal	62	6	6
	WC	S Báez	77	2	63				P Sakamoto	77	4	3
		P Sakamoto	65	6	77										7	S Nagal	6	3	6
		G Clezar	1	3											12	J Hernández-Fernández	3	6	4
		H Casanova	6	6					H Casanova	5	2
								12	J Hernández-Fernández	7	6
																						7	S Nagal	6	4	6
																						13	F Cerúndolo	3	6	4
								13	F Cerúndolo	6	6
		TM Etcheverry	3	611					M Hamou	2	1
		M Hamou	6	713											13	F Cerúndolo	77	6
		JP Varillas	6	6												JP Varillas	63	3
	Q	Tomás Farjat	2	3					JP Varillas	6	6
								2	H Dellien	4	2

• Main draw
• Qualifying draw