# 2023 Open Saint-Gaudens Occitanie – Singles

Ylena In-Albon was the defending champion but chose not to participate.
Robin Montgomery won the title, defeating Alice Robbe in the final, 7–5, 6–4.

## Seeds

* Viktorija Golubic (withdrew)
* Jessika Ponchet (withdrew)
* Laura Pigossi (second round)
* Daria Snigur (semifinals)
* Sachia Vickery (second round, retired)
* Victoria Jiménez Kasintseva (quarterfinals)
* Nigina Abduraimova (semifinals)
* Anastasia Zakharova (second round)
* Robin Montgomery (champion)
* Yuriko Miyazaki (second 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 | Final | Final | Final | Final |
| 9 | Robin Montgomery | 7 | 6 | | | | |
| 7 | Nigina Abduraimova | 5 | 3 | | | | |
| 7 | Nigina Abduraimova | 5 | 3 | 9 | Robin Montgomery | 7 | 6 |
| | | | | | Alice Robbe | 5 | 4 |
| 4 | Daria Snigur | 2 | 2 | | Alice Robbe | 5 | 4 |
| | Alice Robbe | 6 | 6 | | | | |

### Top half

| First round | First round | First round | First round | First round | Second round | Second round | Second round | Second round | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Semifinals | Semifinals | Semifinals | Semifinals |
| 9 | R Montgomery | 6 | 2 | 6 | | | | | | | | | | | | |
| | M Herazo González | 3 | 6 | 0 | 9 | R Montgomery | 6 | 6 | | | | | | | | |
| Q | M Léonard | 6 | 6$^8$ | 2 | | C Alves | 2 | 4 | | | | | | | | |
| | C Alves | 3 | 7$^{10}$ | 6 | | | | | 9 | R Montgomery | 6 | 6 | | | | |
| LL | H Mohamed | 1 | 0 | | | | | | | M Rouvroy | 4 | 2 | | | | |
| | M Rouvroy | 6 | 6 | | | M Rouvroy | 6 | 6 | | | | | | | | |
| Q | A Reami | 1 | 2 | | 8 | A Zakharova | 1 | 3 | | | | | | | | |
| 8 | A Zakharova | 6 | 6 | | | | | | | | | | 9 | R Montgomery | 7 | 6 |
| 3 | L Pigossi | 6 | 6$^4$ | 6 | | | | | | | | | 7 | N Abduraimova | 5 | 3 |
| WC | SB Grey | 1 | 7$^7$ | 2 | 3 | L Pigossi | 4 | 4 | | | | | | | | |
| WC | L Wargnier | 1 | 4 | | | A Sisková | 6 | 6 | | | | | | | | |
| | A Sisková | 6 | 6 | | | | | | | A Sisková | 2 | 1 | | | | |
| | S Sakellaridi | 4 | 2 | | | | | | 7 | N Abduraimova | 6 | 6 | | | | |
| | E Léné | 6 | 6 | | | E Léné | 5 | 1 | | | | | | | | |
| | E Dartron | 4 | 2 | | 7 | N Abduraimova | 7 | 6 | | | | | | | | |
| 7 | N Abduraimova | 6 | 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 | Semifinals | Semifinals | Semifinals | Semifinals |
| 5 | S Vickery | 6 | 6 | | | | | | | | | | | | | | |
| | A Albié | 1 | 3 | | 5 | S Vickery | 5 | 0$^r$ | | | | | | | | | |
| Q | TN Smith | 3 | 1 | | | L Nguyen Tan | 7 | 3 | | | | | | | | | |
| | L Nguyen Tan | 6 | 6 | | | | | | | | L Nguyen Tan | 4 | 1 | | | | |
| Q | K Kanev | 6 | 3 | 6 | | | | | | 4 | D Snigur | 6 | 6 | | | | |
| | S Lansere | 4 | 6 | 1 | Q | K Kanev | 3 | 6 | 3 | | | | | | | | |
| Q | Y Mansouri | 3 | 1 | | 4 | D Snigur | 6 | 3 | 6 | | | | | | | | |
| 4 | D Snigur | 6 | 6 | | | | | | | | | | | 4 | D Snigur | 2 | 2 |
| 6 | V Jiménez Kasintseva | 6 | 6 | | | | | | | | | | | | A Robbe | 6 | 6 |
| Q | A Lew Yan Foon | 1 | 3 | | 6 | V Jiménez Kasintseva | 6 | 7 | | | | | | | | | |
| | H Tan | 6 | 6$^{11}$ | 2$^r$ | Q | S Iliev | 1 | 5 | | | | | | | | | |
| Q | S Iliev | 1 | 7$^{13}$ | 2 | | | | | | 6 | V Jiménez Kasintseva | 5 | 4 | | | | |
| WC | TS Rakotomanga Rajaonah | 3 | 7 | 4 | | | | | | | A Robbe | 7 | 6 | | | | |
| | A Robbe | 6 | 5 | 6 | | A Robbe | 2 | 6 | 6 | | | | | | | | |
| Q | L Petretic | 3 | 1 | | 10 | Y Miyazaki | 6 | 3 | 4 | | | | | | | | |
| 10 | Y Miyazaki | 6 | 6 | | | | | | | | | | | | | | |