Singles
2017 Banja Luka Challenger
Champion	Maximilian Marterer
Runner-up	Carlos Taberner
Score	6–1, 6–2

Adam Pavlásek was the defending champion but chose not to defend his title.

Maximilian Marterer won the title after defeating Carlos Taberner 6–1, 6–2 in the final.

Seeds

Draw

Finals

	Semifinals							Final
		Andrea Arnaboldi	64	0
	3	Maximilian Marterer	77	6
								3	Maximilian Marterer	6	6
									Carlos Taberner	1	2
		Carlos Taberner	6	6
	Q	Pol Toledo Bagué	3	3

Top half

	First round							Second round							Quarterfinals							Semifinals
	1	R Carballés Baena	7	6
	LL	A Haider-Maurer	5	3				1	R Carballés Baena	2	3
		A Arnaboldi	5	6	6				A Arnaboldi	6	6
		P Krstin	7	1	3											A Arnaboldi	6	6
		B Rola	3	1												F Auger-Aliassime	3	4
		F Auger-Aliassime	6	6					F Auger-Aliassime	7	6
	WC	D Gimeno Traver	6	78				WC	D Gimeno Traver	5	3
	8	V Šafránek	3	66																			A Arnaboldi	64	0
	3	M Marterer	6	6																		3	M Marterer	77	6
		K Coppejans	3	1				3	M Marterer	6	6
		D Petrović	6	7					D Petrović	2	1
		I Gakhov	3	5											3	M Marterer	6	6
	SE	K Krawietz	2	0												Z Kolář	2	4
		Z Kolář	6	6					Z Kolář	6	7
		T Brkić	6	6					T Brkić	3	5
	6	L Giustino	4	4

Bottom half

	First round							Second round							Quarterfinals							Semifinals
	5	R Ojeda Lara	2	6	7
		Petr Michnev	6	0	5			5	R Ojeda Lara	77	61	2
		M Kecmanović	4	3					C Taberner	61	77	6
		C Taberner	6	6												C Taberner	7	3	6
	Alt	A Müller	6	6											4	N Milojević	5	6	2
	WC	Kento Tagashira	0	2				Alt	A Müller	66	0
	Alt	A Ghem	3	6	1			4	N Milojević	78	6
	4	N Milojević	6	2	6																		C Taberner	6	6
	7	J Munar	6	6																		Q	P Toledo Bagué	3	3
	LL	Erik Crepaldi	1	4				7	J Munar
	Q	F Horanský	6	6				Q	F Horanský	w/o
	WC	Franjo Raspudić	2	3											Q	F Horanský	6	5	3
	Q	P Nagy	4	6	78										Q	P Toledo Bagué	4	7	6
	WC	N Serdarušić	6	4	66			Q	P Nagy	1	4
	Q	P Toledo Bagué	5	7	6			Q	P Toledo Bagué	6	6
	Q	L Miedler	7	5	4

References

• Main Draw
• Qualifying Draw