2023 Challenger Banque Nationale de Drummondville

Country	Player	Rank1	Seed
GER	Dominik Koepfer	71	1
AUS	James Duckworth	113	2
FRA	Benoît Paire	124	3
CAN	Gabriel Diallo	133	4
GBR	Ryan Peniston	178	5
BEL	Zizou Bergs	180	6
CAN	Alexis Galarneau	187	7
TUN	Aziz Dougaz	242	8

• ¹ Rankings are as of November 6, 2023.^[1]

The following players received wildcards into the singles main draw:

• Juan Carlos Aguilar
• Justin Boulais
• Dan Martin

The following player received entry into the singles main draw as a special exempt:

• Liam Draxl

The following players received entry from the qualifying draw:

• Benjamin Thomas George
• Giles Hussey
• Alexander Kotzen
• Colin Markes
• Kiranpal Pannu
• Luca Wiedenmann

The following player received entry as a lucky loser:

• Olaf Pieczkowski

• Zizou Bergs def. James Duckworth 6–4, 7–5.

• André Göransson / Toby Samuel def. Liam Draxl / Giles Hussey 6–7^(2–7), 6–3, [10–8].