| Calgary National Bank Challenger | |
| Type: | joint |
| Current: | 2023 Calgary National Bank Challenger |
| Event Name: | Calgary National Bank Challenger |
| Location: | Calgary, Alberta, Canada |
| Venue: | Osten & Victor Alberta Tennis Centre |
| Surface: | Hard (indoor) |
| Website: | Official website |
| Atp Category: | ATP Challenger Tour |
| Atp Draw: | 32S (32Q) / 16D (0Q) |
| Wta Tier: | ITF Women's Circuit |
| Wta Draw: | 32S/32Q/16D |
The Calgary Challenger, currently sponsored as Calgary National Bank Challenger, is a professional tennis tournament played on indoor hard courts. It is currently part of the ATP Challenger Tour and the ITF Women's World Tennis Tour. The first edition was held in Calgary, Alberta, Canada, in October 2018.[1]
| Year | Champions | Runners-up | Score | |
|---|---|---|---|---|
 Murphy Cassone | 4–6, 6–3, 6–4 | |||
 Liam Draxl | 6–4, 6–3 | |||
| Dominik Koepfer | 6–2, 6–4 | |||
| 2021 | Not held | |||
 Arthur Rinderknech | 3–6, 7–6(7–5), 6–4 | |||
| 2019 | Not held | |||
| Ivo Karlović | 7–6(7–3), 6–3 |
| Year | Champions | Runners-up | Score | |
|---|---|---|---|---|
| Rebecca Marino | 7–5, 6–4 | |||
| Sabine Lisicki | 7–6(7–2), 6–7(5–7), 6–3 | |||
| Robin Montgomery | 7–6(8–6), 7–5 |
| Year | Champions | Runners-up | Score | |
|---|---|---|---|---|
| Ryan Seggerman Patrik Trhac | 6–3, 7–6(7–3) | |||
| Juan Carlos Aguilar Justin Boulais | 6–3, 6–2 | |||
 Maximilian NeuchristMichail Pervolarakis |  Julian OcleppoKai Wehnelt | 6–4, 6–4 | ||
| 2021 | Not held | |||
| Nathan Pasha Max Schnur | 7–6(7–4), 6–3 | |||
| 2019 | Not held | |||
| Robert Galloway Nathan Pasha | 6–4, 4–6, [10–6] |
| Year | Champions | Runners-up | Score | |
|---|---|---|---|---|
| Kayla Cross Maribella Zamarripa | 6–7(3–7), 7–5, [12–10] | |||
 Sarah Beth Grey Eden Silva | 6–4, 6–4 | |||
| Catherine Harrison Sabrina Santamaria | 7–6(7–2), 6–4 |