2017 Challenger Banque Nationale de Gatineau – Men's singles explained

See main article: article and 2017 Challenger Banque Nationale de Gatineau.

Peter Polansky was the defending champion but lost in the final to Denis Shapovalov.

Shapovalov won the title after defeating Polansky 6–1, 3–6, 6–3 in the final.

Draw

Bottom half

References

• Main Draw
• Qualifying Draw