# 2023 Calgary National Bank Challenger – Women's singles

Sabine Lisicki defeated Stacey Fung in the final, 7–6$^{(7–2)}$, 6–7$^{(5–7)}$, 6–3 to win the singles title at the 2023 Calgary Challenger.
Robin Montgomery was the defending champion but chose not to participate.

## Seeds

* Katherine Sebov (second round)
* Arina Rodionova (quarterfinals)
* Lulu Sun (quarterfinals)
* Lesley Pattinama Kerkhove (second round)
* Stacey Fung (final)
* Justina Mikulskytė (first round)
* Jamie Loeb (semifinals)
* Liv Hovde (quarterfinals)

## Draw
### Key

* Q = Qualifier
* WC = Wild card
* LL = Lucky loser
* Alt = Alternate
* SE = Special exempt
* PR = Protected ranking
* ITF = ITF entry
* JE = Junior exempt
* w/o = Walkover
* r = Retired
* d = Defaulted
* SR = Special ranking

### Finals

| Semifinals | Semifinals | Semifinals | Semifinals | Final | Final | Final | Final | Final |
| 7 | Jamie Loeb | 1 | 2 | | | | | |
| | Sabine Lisicki | 6 | 6 | | | | | |
| | Sabine Lisicki | 6 | 6 | | Sabine Lisicki | 7$^7$ | 6$^5$ | 6 |
| | | | | 5 | Stacey Fung | 6$^2$ | 7$^7$ | 3 |
| 5 | Stacey Fung | 6 | 6 | 5 | Stacey Fung | 6$^2$ | 7$^7$ | 3 |
| | Urszula Radwańska | 1 | 3 | | | | | |

### Top half

| First round | First round | First round | First round | First round | Second round | Second round | Second round | Second round | Second round | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Semifinals | Semifinals | Semifinals | Semifinals |
| 1 | K Sebov | 6 | 6 | | | | | | | | | | | | | | | |
| LL | N Hanatani | 1 | 0 | | 1 | K Sebov | 4 | 6 | 6$^3$ | | | | | | | | | |
| | D Hewitt | 6 | 2 | 6 | | D Hewitt | 6 | 3 | 7$^7$ | | | | | | | | | |
| | C Brace | 2 | 6 | 2 | | | | | | | D Hewitt | 2 | 5 | | | | | |
| | E Silva | 6 | 6 | | | | | | | 7 | J Loeb | 6 | 7 | | | | | |
| WC | M Ostrzygalo | 2 | 0 | | | E Silva | 6 | 4 | 5 | | | | | | | | | |
| | H Chang | 4 | 3 | | 7 | J Loeb | 4 | 6 | 7 | | | | | | | | | |
| 7 | J Loeb | 6 | 6 | | | | | | | | | | | | 7 | J Loeb | 1 | 2 |
| 4 | L Pattinama Kerkhove | 6 | 6 | | | | | | | | | | | | | S Lisicki | 6 | 6 |
| | M Matoula | 2 | 4 | | 4 | L Pattinama Kerkhove | 3 | 6 | 2 | | | | | | | | | |
| | S Lisicki | 7$^7$ | 7 | | | S Lisicki | 6 | 3 | 6 | | | | | | | | | |
| Q | K Jokić | 6$^4$ | 5 | | | | | | | | S Lisicki | 6 | 6$^3$ | 6 | | | | |
| WC | A Jacobs | 7 | 6 | | | | | | | 8 | L Hovde | 3 | 7$^7$ | 3 | | | | |
| Q | A Zamarripa | 5 | 3 | | WC | A Jacobs | 2 | 6 | 6$^4$ | | | | | | | | | |
| | H Giavara | 1 | 7$^7$ | 0 | 8 | L Hovde | 6 | 4 | 7$^7$ | | | | | | | | | |
| 8 | L Hovde | 6 | 6$^5$ | 6 | | | | | | | | | | | | | | |

### Bottom half

| First round | First round | First round | First round | First round | Second round | Second round | Second round | Second round | Second round | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Semifinals | Semifinals | Semifinals | Semifinals |
| 5 | S Fung | 6 | 6 | | | | | | | | | | | | | | | |
| Q | C Roméo | 4 | 1 | | 5 | S Fung | 6 | 7 | | | | | | | | | | |
| Q | I Boulais | 6$^1$ | 1 | | | SB Grey | 2 | 5 | | | | | | | | | | |
| | SB Grey | 7$^7$ | 6 | | | | | | | 5 | S Fung | 6 | 4 | 6 | | | | |
| Q | A Zhu | 4 | 3 | | | | | | | 3 | L Sun | 0 | 6 | 3 | | | | |
| Q | M Okáľová | 6 | 6 | | Q | M Okáľová | 3 | 3 | | | | | | | | | | |
| | R Anderson | 5 | 6 | 4 | 3 | L Sun | 6 | 6 | | | | | | | | | | |
| 3 | L Sun | 7 | 2 | 6 | | | | | | | | | | | 5 | S Fung | 6 | 6 |
| 6 | J Mikulskytė | 6 | 3 | 4 | | | | | | | | | | | | U Radwańska | 1 | 3 |
| | U Radwańska | 4 | 6 | 6 | | U Radwańska | 5 | 6 | 6 | | | | | | | | | |
| WC | L Sleeth | 4 | 4 | | Q | K Pavlova | 7 | 4 | 3 | | | | | | | | | |
| Q | K Pavlova | 6 | 6 | | | | | | | | U Radwańska | 6 | 6 | | | | | |
| | M Sieg | 3 | 6 | 6 | | | | | | 2 | A Rodionova | 1 | 3 | | | | | |
| WC | K Cross | 6 | 4 | 4 | | M Sieg | 3 | 1 | | | | | | | | | | |
| Q | K McKenzie | 1$^r$ | | | 2 | A Rodionova | 6 | 6 | | | | | | | | | | |
| 2 | A Rodionova | 2 | | | | | | | | | | | | | | | | |