2023 Championnats Banque Nationale de Granby
The 2023 Championnats Banque Nationale de Granby was a professional tennis tournament played on outdoor hard courts. It was the 28th edition of the tournament, which was part of the 2023 ATP Challenger Tour. It took place in Granby, Quebec, Canada between 17 and 23 July 2023.

Champions

Men's singles

 Alexis Galarneau def.  Philip Sekulic 6–4, 3–6, 6–3.

Women's singles

 Kayla Day def.  Katherine Sebov, 6–4, 2–6, 7–5.

Men's doubles

 Christian Harrison /  Miķelis Lībietis def.  Tristan Schoolkate /  Adam Walton 6–4, 6–3.

Women's doubles

 Marcela Zacarías /  Renata Zarazúa def.  Carmen Corley /  Ivana Corley, 6–3, 6–3.

Men's singles main-draw entrants

Seeds

1 Rankings are as of July 3, 2023.

Other entrants
The following players received wildcards into the singles main draw:
 Justin Boulais
 Liam Draxl
 Brayden Schnur

The following players received entry into the singles main draw using protected rankings:
  Christian Harrison
  Thai-Son Kwiatkowski

The following player received entry into the singles main draw as an alternate:
  Tristan Schoolkate

The following players received entry from the qualifying draw:
 Blaise Bicknell
 Nick Chappell
 Patrick Kypson
  Philip Sekulic
  Joshua Sheehy
 James Trotter

The following players received entry as lucky losers:
  Alexander Cozbinov
  Nathan Ponwith

References

2023 ATP Challenger Tour
2023 ITF Women's World Tennis Tour
Challenger de Granby
July 2023 sports events in Canada