2019 Challenger Banque Nationale de Granby – Men's Singles


was the defending champion but lost in the semifinals to Yasutaka Uchiyama.
Ernesto Escobedo won the title after defeating Uchiyama 7–6, 6–4 in the final.

Seeds

All seeds receive a bye into the second round.

Draw

Finals

Top half

Section 1

Section 2

Bottom half

Section 3

Section 4