Doubles
2021 Challenger Ciudad de Guayaquil
Final
Champions	Jesper de Jong Bart Stevens
Runners-up	Diego Hidalgo Cristian Rodríguez
Score	7–5, 6–2
Events
Singles Doubles
← 2020 · Challenger Ciudad de Guayaquil · 2022 →

Luis David Martínez and Felipe Meligeni Alves were the defending champions^[1] but only Martínez chose to defend his title, partnering Roberto Quiroz. Martínez lost in the first round to Jesper de Jong and Bart Stevens.

De Jong and Stevens won the title after defeating Diego Hidalgo and Cristian Rodríguez 7–5, 6–2 in the final.

	First round							Quarterfinals							Semifinals							Final
	1	LD Martínez R Quiroz	1	2
		J de Jong B Stevens	6	6					J de Jong B Stevens	6	6
		G Andreozzi S Galdós	6	6					G Andreozzi S Galdós	1	4
	PR	G Oliveira R Statham	4	2												J de Jong B Stevens	6	7
	3	N Barrientos A Gómez	6	6											3	N Barrientos A Gómez	3	5
	WC	Francisco Castro Miguel Mateo Larrea	3	1				3	N Barrientos A Gómez	6	6
	WC	A González Á Guillén Meza	5	3					D King P Krstin	2	2
		D King P Krstin	7	6																			J de Jong B Stevens	7	6
		B Arias H Dellien																				4	D Hidalgo C Rodríguez	5	2
		H Casanova A Collarini	w/o						H Casanova A Collarini
	Alt	V Kopřiva J Pospíšil	1	4				4	D Hidalgo C Rodríguez	w/o
	4	D Hidalgo C Rodríguez	6	6											4	D Hidalgo C Rodríguez	6	6
	WC	F Díaz Acosta N Hardt	6	6											2	F Romboli F Zeballos	3	4
		R Cid Subervi A Tabilo	3	4				WC	F Díaz Acosta N Hardt	4	67
		A Merino L Patiño	2	2				2	F Romboli F Zeballos	6	79
	2	F Romboli F Zeballos	6	6

• Main draw