Singles
2023 Challenger Banque Nationale de Drummondville
Champion	Zizou Bergs
Runner-up	James Duckworth
Score	6–4, 7–5

Vasek Pospisil was the defending champion^[1] but chose not to defend his title.

Zizou Bergs won the title after defeating James Duckworth 6–4, 7–5 in the final.

Seeds

Draw

Finals

	Semifinals							Final
	6	Zizou Bergs	w/o
		Michael Vrbenský
								6	Zizou Bergs	6	7
								2	James Duckworth	4	5
		Li Tu	4	3
	2	James Duckworth	6	6

Top half

	First round							Second round							Quarterfinals							Semifinals
	1	D Koepfer	5	6	6
	Q	Luca Wiedenmann	7	2	2			1	D Koepfer	6	6
	LL	Olaf Pieczkowski	4	6	6			LL	O Pieczkowski	4	4
		A Paulson	6	3	1										1	D Koepfer	4	6	5
	Q	Benjamin Thomas George	6	7											6	Z Bergs	6	4	7
		B Lock	1	5				Q	BT George	3	2
		L Saville	1	1				6	Z Bergs	6	6
	6	Z Bergs	6	6																		6	Z Bergs	w/o
	Q	Colin Markes	4	6	3																		M Vrbenský
		M Vrbenský	6	3	6				M Vrbenský	64	6	7
		S Diez	4	79	1			SE	L Draxl	77	3	5
	SE	L Draxl	6	67	6											M Vrbenský	6	3	6
		Charles Broom	77	4	6										8	A Dougaz	2	6	4
	WC	J Boulais	64	6	2				C Broom	6	4	1
		M Kaśnikowski	4	6	5			8	A Dougaz	3	6	6
	8	A Dougaz	6	3	7

Bottom half

	First round							Second round							Quarterfinals							Semifinals
	7	A Galarneau	6	3	6
		David Jordà Sanchis	3	6	4			7	A Galarneau	65	2
		M Janvier	6	63	3				L Tu	77	6
		L Tu	4	77	6											L Tu	6	7
		T Samuel	6	0	3											J Sousa	4	5
		J Sousa	3	6	6				J Sousa	6	77
	WC	JC Aguilar	3	4				3	B Paire	1	64
	3	B Paire	6	6																			L Tu	4	3
	5	R Peniston	6	6																		2	J Duckworth	6	6
	Q	K Pannu	3	1				5	R Peniston	6	0
	WC	Dan Martin	2					WC	D Martin	2	0r
	Q	Alexander Kotzen	1r												5	R Peniston	6	3	4
		T-S Kwiatkowski	77	0	7										2	J Duckworth	4	6	6
	Q	Giles Hussey	64	6	5				T-S Kwiatkowski	1	77	3
		C Kingsley	5	77	65			2	J Duckworth	6	63	6
	2	J Duckworth	7	62	77

References

External links

• Main draw
• Qualifying draw