2020 Calgary National Bank Challenger

The 2020 Calgary National Bank Challenger was a professional tennis tournament played on indoor hard courts. It was the second edition of the tournament and part of the 2020 ATP Challenger Tour. It took place in Calgary, Canada.

Seeds

 * 1 Rankings are as of 17 February 2020.

Other entrants
The following players received wildcards into the singles main draw:
 * 🇨🇦 Taha Baadi
 * 🇨🇦 Gabriel Diallo
 * 🇨🇦 Alexis Galarneau
 * 🇨🇦 Cleeve Harper
 * 🇨🇦 Joshua Peck

The following player received entry into the singles main draw using a protected ranking:
 * 🇦🇺 Blake Mott

The following players received entry from the qualifying draw:
 * 🇺🇸 Felix Corwin
 * 🇺🇸 Alex Rybakov

The following players received entry as lucky losers:
 * 🇫🇮 Harri Heliövaara
 * 🇺🇸 Dennis Novikov

Singles

 * 🇫🇷 Arthur Rinderknech def. 🇺🇸 Maxime Cressy 3–6, 7–6(7–5), 6–4.

Doubles

 * 🇺🇸 Nathan Pasha / 🇺🇸 Max Schnur def. 🇦🇺 Harry Bourchier / 🇨🇦 Filip Peliwo 7–6(7–4), 6–3.