Singles
2019 Challenger ATP Cachantún Cup
Champion	Hugo Dellien
Runner-up	Wu Tung-lin
Score	5–7, 7–6(7–1), 6–1

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

Hugo Dellien won the title after defeating Wu Tung-lin 5–7, 7–6^(7–1), 6–1 in the final.

Seeds

All seeds receive a bye into the second round.

Draw

Finals

	Quarterfinals							Semifinals							Final
	1/WC	Pablo Andújar	7	7
	7	Pedro Martínez	5	5
								1/WC	Pablo Andújar	2	3
									Wu Tung-lin	6	6
	3	Thiago Monteiro	7	4	5
		Wu Tung-lin	5	6	7
																Wu Tung-lin	7	61	1
															2	Hugo Dellien	5	77	6
	6	Alessandro Giannessi	6	4	4
	15	Thomaz Bellucci	3	6	6
								15	Thomaz Bellucci	4	0
								2	Hugo Dellien	6	6
	10	Kimmer Coppejans	4	2
	2	Hugo Dellien	6	6

Top half

Section 1

	First round							Second round							Third round							Quarterfinals
								1/WC	P Andújar	6	4	6
		P Sakamoto	6	2	3				T Seyboth Wild	4	6	2
		T Seyboth Wild	2	6	6										1/WC	P Andújar	6	6
		A Müller	6	64	1										14	F Gaio	3	3
	Q	G Villanueva	4	77	6			Q	G Villanueva	6	3	3
								14	F Gaio	3	6	6
																						1/WC	P Andújar	7	7
																						7	P Martínez	5	5
								12	J Domingues	3	3
		C Taberner	6	3	6				C Taberner	6	6
		M Cuevas	3	6	1											C Taberner	5	5
		J Härteis	6	0	6										7	P Martínez	7	7
		S Nagal	4	6	3				J Härteis	1	4
								7	P Martínez	6	6

Section 2

	First round							Second round							Third round							Quarterfinals
								3	T Monteiro	6	6
		JP Varillas	2	6	6				JP Varillas	4	3
		F Coria	6	4	3										3	T Monteiro	77	2	6
	PR	F Mena	64	2											16	A Martin	63	6	3
	ITF	MF Descotte	77	6				ITF	MF Descotte	1	3
								16	A Martin	6	6
																						3	T Monteiro	7	4	5
																							T-l Wu	5	6	7
								11	M Donati	3	4
		T-l Wu	6	6					T-l Wu	6	6
		A González	2	4												T-l Wu	2	6	6
	WC	Bastián Malla	6	6											5	F Bagnis	6	1	3
		Carlos Boluda-Purkiss	3	1				WC	B Malla	4	3
								5	F Bagnis	6	6

Bottom half

Section 3

	First round							Second round							Third round							Quarterfinals
								6	A Giannessi	77	5	6
		A Rinderknech	4	6	1				A Collarini	65	7	4
		A Collarini	6	1	6										6	A Giannessi	4	6	6
	ITF	J Souza	6	6											9	F Argüello	6	4	1
		G Granollers	1	3				ITF	J Souza	6	3	4
								9	F Argüello	4	6	6
																						6	A Giannessi	6	4	4
																						15	T Bellucci	3	6	6
								15	T Bellucci	7	6
		R Olivo	78	6					R Olivo	5	4
	WC	Víctor Núñez	66	3											15	T Bellucci	6	6
	WC	A Tabilo	4	4											4	R Dutra Silva	2	2
	ITF	C Ugo Carabelli	6	6				ITF	C Ugo Carabelli	3	6	2
								4	R Dutra Silva	6	3	6

Section 4

	First round							Second round							Third round							Quarterfinals
								8	D Gimeno Traver	6	6
		G Escobar	6	2	6				G Escobar	3	4
		MT Barrios Vera	3	6	3										8	D Gimeno Traver	1	6	1
	WC	G Lama	3	6	6										10	K Coppejans	6	3	6
	Q	F Cerúndolo	6	4	3			WC	G Lama	4	2
								10	K Coppejans	6	6
																						10	K Coppejans	4	2
																						2	H Dellien	6	6
								13	GM Moroni	6	69	6
		Tobias Simon	4	4					E Gómez	3	711	3
		E Gómez	6	6											13	GM Moroni	64	2
	ITF	J Menezes	6	77											2	H Dellien	77	6
		A Avidzba	2	64				ITF	J Menezes	6	4	4
								2	H Dellien	4	6	6

References

External links

• Main draw
• Qualifying draw