2019 Challenger de Buenos Aires – Singles

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

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

Main article: 2019 Challenger de Buenos Aires

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

Seeds

All seeds receive a bye into the second round.

1. Federico Delbonis (second round)
2. Hugo Dellien (second round)
3. Leonardo Mayer (semifinals)
4. Thiago Monteiro (semifinals)
5. Guido Andreozzi (third round)
6. Federico Coria (second round)
7. Sumit Nagal (champion)
8. Facundo Bagnis (final)
9. Facundo Mena (second round)
10. João Menezes (second round)
11. Andrea Collarini (quarterfinals)
12. José Hernández-Fernández (third round)
13. Francisco Cerúndolo (quarterfinals)
14. Renzo Olivo (second round)
15. Matías Franco Descotte (second round)
16. Thiago Seyboth Wild (third round)

Draw

Key

• Q = Qualifier
• WC = Wild card
• LL = Lucky loser
• Alt = Alternate
• ITF = ITF entry
• PR = Protected ranking
• SR = Special ranking
• SE = Special exempt
• JE = Junior exempt
• JR = Junior Accelerator Programme entrant
• CO = College Accelerator Programme entrant
• NG = Next Gen Accelerator Program entrant
• w/o = Walkover
• r = Retired
• d = Defaulted

Finals

	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

Top half

Section 1

	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

Section 2

	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

Bottom half

Section 3

	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

Section 4

	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