title: 2018 Calgary National Bank Challenger
text: # 2018 Calgary National Bank Challenger
  
  The 2018 Calgary National Bank Challenger was a professional tennis tournament played on indoor hard courts. It was the first edition of the tournament and part of the 2018 ATP Challenger Tour. It took place in Calgary, Canada.
  
  ## Singles entrants
  
  ### Seeds
  
  | Country | Player | Rank | Seed |
  | - | - | - | - |
  | AUS | Jordan Thompson | 105 | 1 |
  | CRO | Ivo Karlović | 117 | 2 |
  | TPE | Jason Jung | 123 | 3 |
  | ESP | Adrián Menéndez Maceiras | 132 | 4 |
  | NOR | Casper Ruud | 137 | 5 |
  | AUS | Alex Bolt | 155 | 6 |
  | GBR | Jay Clarke | 177 | 7 |
  | ECU | Roberto Quiroz | 190 | 8 |
  
  ### Other entrants
  
  The following players received wildcards into the singles main draw:
  
  * Steven Diez
  * Alexis Galarneau
  * Pavel Krainik
  * Harrison Scott
  
  The following players received entry into the singles main draw as alternates:
  
  * Cem İlkel
  * Stefan Kozlov
  
  The following players received entry from the qualifying draw:
  
  * Tom Fawcett
  * Borna Gojo
  * Vincent Millot
  * Pablo Vivero González
  
  The following player received entry as a lucky loser:
  
  * Laurent Rochette
  
  ## Champions
  
  ### Singles
  
  * Ivo Karlović def. Jordan Thompson $7–6^{(7–3)},$ 6–3.
  
  ### Doubles
  
  * Robert Galloway / Nathan Pasha def. Matt Reid / John-Patrick Smith 6–4, 4–6, [10–6].
  