2018 Calgary National Bank Challenger
# 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].
