Doubles
2019 Banja Luka Challenger
Final
Champions	Sadio Doumbia Fabien Reboul
Runners-up	Sergio Galdós Facundo Mena
Score	6–3, 7–6(7–4)
Events
Singles Doubles
← 2018 · Banja Luka Challenger · 2021 →

Andrej Martin and Hans Podlipnik Castillo were the defending champions^[1] but chose not to defend their title.

Sadio Doumbia and Fabien Reboul won the title after defeating Sergio Galdós and Facundo Mena 6–3, 7–6^(7–4) in the final.

	First round							Quarterfinals							Semifinals							Final
	1	T Draganja L Margaroli	6	6
		D Popko A Tabilo	4	3				1	T Draganja L Margaroli	2	4
	WC	Lucas Gerch Milan Radojković	2	2					S Galdós F Mena	6	6
		S Galdós F Mena	6	6												S Galdós F Mena	77	6
	3	I Sabanov M Sabanov	77	7											3	I Sabanov M Sabanov	63	3
		C O'Connell D Petrović	64	5				3	I Sabanov M Sabanov	6	7
		T Griekspoor J Sels	2	2					Z Kolář N Serdarušić	4	5
		Z Kolář N Serdarušić	6	6																			S Galdós F Mena	3	64
		F Coria Matías Zukas	3	4																		4	S Doumbia F Reboul	6	77
		A Arnaboldi F Baldi	6	6					A Arnaboldi F Baldi	3	5
	WC	Gao Qun A Šančić	62	5				4	S Doumbia F Reboul	6	7
	4	S Doumbia F Reboul	77	7											4	S Doumbia F Reboul	6	6
		C Berlocq R Dutra Silva	1	6	[10]										WC	N Malešević V Tadić	4	1
		GM Moroni Jaume Pla Malfeito	6	3	[7]				C Berlocq R Dutra Silva
	WC	Nemanja Malešević Vladan Tadić	7	6				WC	N Malešević V Tadić	w/o
	2	R Gonzales A Siljeström	5	3

• Main draw