Singles
2023 Banja Luka Challenger
Champion	Dino Prižmić
Runner-up	Kimmer Coppejans
Score	6–2, 6–3

Fábián Marozsán was the defending champion^[1] but withdrew before his semifinal match against Dino Prižmić.

Prižmić won the title after defeating Kimmer Coppejans 6–2, 6–3 in the final.

Seeds

Draw

Finals

	Semifinals							Final
	1	Fábián Marozsán
		Dino Prižmić	w/o
									Dino Prižmić	6	6
								5	Kimmer Coppejans	2	3
	5	Kimmer Coppejans	6	6
	Q	Marko Topo	0	1

Top half

	First round							Second round							Quarterfinals							Semifinals
	1	F Marozsán	3	6	6
		V Durasovic	6	0	3			1	F Marozsán	6	6
		C Tabur	77	77					C Tabur	3	2
		K Ivanovski	64	63											1	F Marozsán	6	6
	WC	A Nedić	7	64	3											J Barranco Cosano	2	0
		J Barranco Cosano	5	77	6				J Barranco Cosano	6	77
	Alt	K Jacquet	6	3	3			6	M Navone	2	65
	6	M Navone	3	6	6																	1	F Marozsán
	3/WC	A Molčan	6	6																			D Prižmić	w/o
	Q	M Zekić	1	2				3/WC	A Molčan	1	4
	Q	A Santillan	6	3	3r				D Prižmić	6	6
		D Prižmić	2	6	5											D Prižmić	6	6
		N Sánchez Izquierdo	4	5											8	D Džumhur	3	4
		D Ajduković	6	7					D Ajduković	2	5
		M Polmans	3	1				8	D Džumhur	6	7
	8	D Džumhur	6	6

Bottom half

	First round							Second round							Quarterfinals							Semifinals
	5	K Coppejans	6	6
	Q	M Bašić	3	4				5	K Coppejans	67	6	7
		N Fatić	3	0r					N Serdarušić	79	3	5
		N Serdarušić	6	0											5	K Coppejans	3
		FC Jianu	60	2												N Gombos	5r
		N Gombos	77	6					N Gombos	6	6
	Q	A Šetkić	2	5				4	B Paire	4	2
	4	B Paire	6	7																		5	K Coppejans	6	6
	7	Z Kolář	4	4																		Q	M Topo	0	1
	Q	Eric Vanshelboim	6	6				Q	E Vanshelboim	5	1
	SE	T Kodat	6	6				SE	T Kodat	7	6
	SE	U Blanchet	4	3											SE	T Kodat	3	3
	Q	M Topo	6	6											Q	M Topo	6	6
		G Blancaneaux	0	2				Q	M Topo	6	6
		DN Mădăraș	6	6					DN Mădăraș	3	4
	2/WC	M Cecchinato	2	1

References

External links

• Main draw
• Qualifying draw