# 2019 Challenger Banque Nationale de Saguenay – Singles

Katherine Sebov was the defending champion, but chose not to participate.
Indy de Vroome won the title, defeating Robin Anderson in the final, 3–6, 6–4, 7–5.

## Seeds

* Francesca Di Lorenzo (second round)
* Bibiane Schoofs (quarterfinals)
* Robin Anderson (final)
* Jessika Ponchet (second round)
* Leylah Annie Fernandez (quarterfinals)
* Samantha Murray (semifinals)
* Peangtarn Plipuech (first round)
* Mirjam Björklund (first round)

## 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 | Semifinals | Final | Final | Final | Final | Final |
| | Indy de Vroome | 6$^4$ | 7$^8$ | 7$^7$ | | | | | |
| | Françoise Abanda | 7$^7$ | 6$^6$ | 6$^5$ | | | | | |
| | Françoise Abanda | 7$^7$ | 6$^6$ | 6$^5$ | | Indy de Vroome | 3 | 6 | 7 |
| | | | | | 3 | Robin Anderson | 6 | 4 | 5 |
| 3 | Robin Anderson | 6 | 6 | | 3 | Robin Anderson | 6 | 4 | 5 |
| 6 | Samantha Murray | 1 | 1 | | | | | | |

### 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 | F Di Lorenzo | 4 | 6 | 7$^7$ | | | | | | | | | | | | | | |
| | E Bektas | 6 | 0 | 6$^4$ | 1 | F Di Lorenzo | 4 | 0 | | | | | | | | | | |
| LL | S Carrington | 7$^7$ | 0 | 1 | | I de Vroome | 6 | 6 | | | | | | | | | | |
| | I de Vroome | 6$^2$ | 6 | 6 | | | | | | | I de Vroome | 6 | 4 | 6 | | | | |
| | A Hartono | 4 | 6 | 6 | | | | | | Q | J Livianu | 2 | 6 | 4 | | | | |
| Q | A Morgina | 6 | 4 | 4 | | A Hartono | 6 | 2 | 6$^6$ | | | | | | | | | |
| Q | J Livianu | 7 | 6 | | Q | J Livianu | 3 | 6 | 7$^8$ | | | | | | | | | |
| 8 | M Björklund | 5 | 3 | | | | | | | | | | | | I de Vroome | 6$^4$ | 7$^8$ | 7$^7$ |
| 4 | J Ponchet | 6 | 6 | | | | | | | | | | | | F Abanda | 7$^7$ | 6$^6$ | 6$^5$ |
| | M Bayerlová | 3 | 2 | | 4 | J Ponchet | 5 | 2 | | | | | | | | | | |
| | F Abanda | 6 | 6 | | | F Abanda | 7 | 6 | | | | | | | | | | |
| Q | S-M Fortin | 3 | 3 | | | | | | | | F Abanda | 6 | 5 | 6 | | | | |
| | T Moore | 7$^7$ | 6 | | | | | | | | K Zimmermann | 4 | 7 | 3 | | | | |
| Q | M Stakusic | 6$^4$ | 1 | | | T Moore | 6 | 2 | 4 | | | | | | | | | |
| | K Zimmermann | 6 | 6 | | | K Zimmermann | 3 | 6 | 6 | | | | | | | | | |
| 7 | P Plipuech | 1 | 0 | | | | | | | | | | | | | | | |

### 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 | LA Fernandez | 6 | 6 | | | | | | | | | | | | | | | |
| Q | A Arseneault | 3 | 1 | | 5 | LA Fernandez | 6 | 6 | | | | | | | | | | |
| WC | M Collard | 6 | 6 | | WC | M Collard | 4 | 3 | | | | | | | | | | |
| Q | A Broomfield | 2 | 0 | | | | | | | 5 | LA Fernandez | 6 | 4 | 3 | | | | |
| Q | K Shaffer | 6 | 6 | | | | | | | 3 | R Anderson | 3 | 6 | 6 | | | | |
| WC | M Tanasescu | 4 | 4 | | Q | K Shaffer | 2 | 4 | | | | | | | | | | |
| WC | J Bui | 6$^6$ | 6 | 1 | 3 | R Anderson | 6 | 6 | | | | | | | | | | |
| 3 | R Anderson | 7$^8$ | 2 | 6 | | | | | | | | | | | 3 | R Anderson | 6 | 6 |
| 6 | S Murray | 6 | 1 | 6 | | | | | | | | | | | 6 | S Murray | 1 | 1 |
| | V Morvayová | 3 | 6 | 3 | 6 | S Murray | 6$^6$ | 7$^7$ | 6 | | | | | | | | | |
| Q | J Jebawy | 0 | 5 | | | T Sugnaux | 7$^8$ | 6$^3$ | 4 | | | | | | | | | |
| | T Sugnaux | 6 | 7 | | | | | | | 6 | S Murray | 7$^8$ | 6 | | | | | |
| | Q Gleason | 6 | 1 | | | | | | | 2 | B Schoofs | 6$^6$ | 3 | | | | | |
| | R Bhosale | 1 | 1$^r$ | | | Q Gleason | 3 | 1 | | | | | | | | | | |
| WC | R Lacasse | 3 | 1 | | 2 | B Schoofs | 6 | 6 | | | | | | | | | | |
| 2 | B Schoofs | 6 | 6 | | | | | | | | | | | | | | | |