2024 San Luis Open Challenger – Men's singles

Tomás Barrios Vera was the defending champion^[1] but lost in the quarterfinals to Matías Soto.

Men's singles
2024 San Luis Open Challenger
Champion	Nicolás Mejía
Runner-up	Matías Soto
Score	6–1, 5–7, 6–2

Main article: 2024 San Luis Open Challenger

Nicolás Mejía won the title after defeating Soto 6–1, 5–7, 6–2 in the final.^[2]

Seeds

1. Thiago Agustín Tirante (quarterfinals)
2. James Duckworth (second round)
3. Tomás Barrios Vera (quarterfinals)
4. Valentin Vacherot (first round)
5. Denis Kudla (semifinals)
6. Giovanni Mpetshi Perricard (semifinals)
7. Marc Polmans (first round)
8. Oliver Crawford (second 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

	Semifinals							Final
	Q	Nicolás Mejía	6	6
	5	Denis Kudla	4	4
								Q	Nicolás Mejía	6	5	6
								Q	Matías Soto	1	7	2
	Q	Matías Soto	711	6
	6	Giovanni Mpetshi Perricard	69	3

Top half

	First round							Second round							Quarterfinals							Semifinals
	1	TA Tirante	6	6
	Alt	Gerard Campana Lee	4	4				1	TA Tirante	7	6
		B Bicknell	6	4	3				F Gaio	5	1
		F Gaio	3	6	6										1	TA Tirante	3	4
	WC	E Escobedo	77	5	1										Q	N Mejía	6	6
	Q	N Mejía	63	7	6			Q	N Mejía	6	6
	Alt	Dominik Palán	4	3				8	O Crawford	3	0
	8	O Crawford	6	6																		Q	N Mejía	6	6
	4	V Vacherot	2	6	3																	5	D Kudla	4	4
		B Tomic	6	3	6				B Tomic	6	1	6
		M Krueger	77	3	66				M-A Hüsler	4	6	4
		M-A Hüsler	63	6	78											B Tomic	4	0r
		O Jasika	4	2											5	D Kudla	6	3
	WC	V Pospisil	6	6				WC	V Pospisil	0	63
		JP Ficovich	3	1				5	D Kudla	6	77
	5	D Kudla	6	6

Bottom half

	First round							Second round							Quarterfinals							Semifinals
	7	M Polmans	3	4
		M Dellien	6	6					M Dellien	5	4
	Alt	B Lock	6	2	3			Q	M Soto	7	6
	Q	M Soto	3	6	6										Q	M Soto	6	6
		A Mayo	5	6	6										3	T Barrios Vera	3	4
	Q	Christian Langmo	7	4	3				A Mayo	5	62
		T Schoolkate	5	4				3	T Barrios Vera	7	77
	3	T Barrios Vera	7	6																		Q	M Soto	711	6
	6	G Mpetshi Perricard	64	77	6																	6	G Mpetshi Perricard	69	3
	Q	A Andrade	77	64	3			6	G Mpetshi Perricard	6	6
	WC	R Pacheco Méndez	6	3	2			Q	R Cid Subervi	4	4
	Q	R Cid Subervi	4	6	6										6	G Mpetshi Perricard	6	64	7
		A Galarneau	6	4	6											A Galarneau	4	77	5
		A Bellier	4	6	3				A Galarneau	77	3	6
	Q	B Zhukayev	64	64				2	J Duckworth	61	6	1
	2	J Duckworth	77	77