2023 Championnats Banque Nationale de Granby – Men's singles

Gabriel Diallo was the defending champion but chose not to defend his title.

Men's singles
2023 Championnats Banque Nationale de Granby
Champion	Alexis Galarneau
Runner-up	Philip Sekulic
Score	6–4, 3–6, 6–3

Main article: 2023 Championnats Banque Nationale de Granby

Alexis Galarneau won the title after defeating Philip Sekulic 6–4, 3–6, 6–3 in the final.

Seeds

1. Thanasi Kokkinakis (second round, retired)
2. Arthur Cazaux (second round)
3. Shang Juncheng (first round)
4. Vasek Pospisil (first round)
5. Denis Kudla (second round)
6. Rio Noguchi (first round)
7. Alexis Galarneau (champion)
8. Giovanni Mpetshi Perricard (first round)

Draw

Key

• Q = Qualifier
• WC = Wild card
• LL = Lucky loser
• Alt = Alternate
• SE = Special exempt
• PR = Protected ranking
• ITF = ITF entry
• JE = Junior exempt
• w/o = Walkover
• r = Retired
• d = Defaulted
• SR = Special ranking

Finals

	Semifinals							Final
	Q	James Trotter	4	6	63
	Q	Philip Sekulic	6	2	77
								Q	Philip Sekulic	4	6	3
								7	Alexis Galarneau	6	3	6
		Wu Tung-lin	64	3
	7	Alexis Galarneau	77	6

Top half

	First round							Second round							Quarterfinals							Semifinals
	1	T Kokkinakis	6	66	6
	Q	P Kypson	2	78	4			1	T Kokkinakis	65	0r
	Q	J Trotter	6	77				Q	J Trotter	77	2
	LL	Nathan Ponwith	3	61											Q	J Trotter	710	6
		J McCabe	77	6												J McCabe	68	2
		T Sandgren	64	3					J McCabe	6	6
		D Sweeny	3	6	6				D Sweeny	4	2
	8	G Mpetshi Perricard	6	4	4																	Q	J Trotter	4	6	63
	3	J Shang	2	2																		Q	P Sekulic	6	2	77
		M Lajal	6	6					M Lajal	4	6	65
	Q	B Bicknell	0	6	4			WC	J Boulais	6	1	77
	WC	J Boulais	6	4	6										WC	J Boulais	3	2
	Q	P Sekulic	66	77	6										Q	P Sekulic	6	6
		Y Uchiyama	78	64	1			Q	P Sekulic	7	6
		H Moriya	4	7	2			5	D Kudla	5	3
	5	D Kudla	6	5	6

Bottom half

	First round							Second round							Quarterfinals							Semifinals
	6	R Noguchi	0	2
		T-l Wu	6	6					T-l Wu	6	6
	LL	A Cozbinov	1	3				PR	C Harrison	3	4
	PR	C Harrison	6	6												T-l Wu	6	6
		M Janvier	78	6												M Janvier	4	4
		J Jung	66	3					M Janvier	6	4	77
		A Walton	67	77	6				A Walton	4	6	64
	4	V Pospisil	79	61	1																		T-l Wu	64	3
	7	A Galarneau	6	3	6																	7	A Galarneau	77	6
		O Jasika	1	6	3			7	A Galarneau	6	78
	Q	N Chappell	5	3				PR	T-S Kwiatkowski	2	66
	PR	T-S Kwiatkowski	7	6											7	A Galarneau	6	6
	Alt	T Schoolkate	6	6											Alt	T Schoolkate	4	3
	Q	Joshua Sheehy	2	3				Alt	T Schoolkate	6	6
		NH Lý	1	67				2	A Cazaux	3	3
	2	A Cazaux	6	79

External links

• Main draw
• Qualifying draw