Singles
2021 Ambato La Gran Ciudad
Champion	Thiago Agustín Tirante
Runner-up	Juan Pablo Varillas
Score	7–5, 7–5

This was the first edition of the tournament.^[1]

Thiago Agustín Tirante won the title after defeating Juan Pablo Varillas 7–5, 7–5 in the final.

Seeds

Draw

Finals

	Semifinals							Final
	1	Juan Pablo Varillas	6	6
	6	Juan Pablo Ficovich	3	4
								1	Juan Pablo Varillas	5	5
								7	Thiago Agustín Tirante	7	7
	7	Thiago Agustín Tirante	7	5	6
		Facundo Mena	5	7	3

Top half

	First round							Second round							Quarterfinals							Semifinals
	1	JP Varillas	6	3	78
		R Quiroz	3	6	66			1	JP Varillas	6	6
		N Hardt	2	66					GA Olivieri	1	3
		GA Olivieri	6	78											1	JP Varillas	6	6
		A Menéndez Maceiras	2	5											Q	M Zukas	2	4
		N Fatić	6	7					N Fatić	4	1r
	Q	Matías Zukas	6	5	6			Q	M Zukas	6	2
	5	R Olivo	4	7	4																	1	JP Varillas	6	6
	LL	A González	3	4																		6	JP Ficovich	3	4
		P Sakamoto	6	6					P Sakamoto	3	4
	Q	Pol Martín Tiffon	5	67					J Nikles	6	6
		J Nikles	7	79												J Nikles	6	62	5
	Q	A Gómez	6	6											6	JP Ficovich	0	77	7
	WC	AC March	3	4				Q	A Gómez	2	611
	WC	Daniel Espín Pérez	1	0				6	JP Ficovich	6	713
	6	JP Ficovich	6	6

Bottom half

	First round							Second round							Quarterfinals							Semifinals
	7	TA Tirante	77	4	77
		C Rodríguez	64	6	65			7	TA Tirante	77	3	77
		C Gómez-Herrera	6	66	6				C Gómez-Herrera	65	6	61
		Eduard Esteve Lobato	4	78	3										7	TA Tirante	6	6
	PR	G Melzer	67	6	6										PR	G Melzer	3	4
	Q	P Kypson	79	1	4			PR	G Melzer	6	7
		J Lenz	6	78					J Lenz	3	5
	4	E Gómez	4	66																		7	TA Tirante	7	5	6
	8	M Bašić	67	4																			F Mena	5	7	3
		L Catarina	79	6					L Catarina	6	63	4
	WC	D Hidalgo	4	3					F Mena	4	77	6
		F Mena	6	6												F Mena	79	6
	LL	Alexis Gautier	6	67	6										LL	A Gautier	67	4
	SE	G Lama	4	79	3			LL	A Gautier	6	77
		O Roca Batalla	4	6	67			2	A Martin	3	61
	2	A Martin	6	3	79

References

External links

• Main draw
• Qualifying draw