# 2023 Engie Open Nantes Atlantique – Singles

Kamilla Rakhimova was the defending champion but chose not to participate.
Océane Dodin won the title, defeating Gabriela Knutson in the final, 6–7$^{(2–7)}$, 6–3, 6–2.

## Seeds

* Océane Dodin (champion)
* Mai Hontama (withdrew)
* Léolia Jeanjean (quarterfinals, retired)
* Polina Kudermetova (quarterfinals)
* Jessika Ponchet (second round)
* Zeynep Sönmez (second round)
* Simona Waltert (first round)
* Elsa Jacquemot (semifinals)
* Gabriela Knutson (final)

## 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 |
| 1 | Océane Dodin | 6$^4$ | 7$^7$ | 6 | | | | | |
| 8 | Elsa Jacquemot | 7$^7$ | 6$^4$ | 1 | | | | | |
| 8 | Elsa Jacquemot | 7$^7$ | 6$^4$ | 1 | 1 | Océane Dodin | 6$^2$ | 6 | 6 |
| | | | | | 9 | Gabriela Knutson | 7$^7$ | 3 | 2 |
| | Alex Eala | 6 | 3 | 1 | 9 | Gabriela Knutson | 7$^7$ | 3 | 2 |
| 9 | Gabriela Knutson | 2 | 6 | 6 | | | | | |

### 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 | Semifinals | Semifinals | Semifinals | Semifinals | Semifinals |
| 1 | O Dodin | 7$^7$ | 6 | | | | | | | | | | | | | | | |
| Q | V Podrez | 6$^5$ | 3 | | 1 | O Dodin | 6 | 6 | | | | | | | | | | |
| WC | É Dartron | 5 | 4 | | Q | N Berecoechea | 3 | 2 | | | | | | | | | | |
| Q | N Berecoechea | 7 | 6 | | | | | | | 1 | O Dodin | 6 | 6 | | | | | |
| | H Tan | 6 | 6 | | | | | | | | H Tan | 4 | 4 | | | | | |
| Q | L Tran | 3 | 1 | | | H Tan | 2 | 6 | 6 | | | | | | | | | |
| Q | M Léonard | 6 | 6 | | Q | M Léonard | 6 | 2 | 0 | | | | | | | | | |
| 7 | S Waltert | 4 | 0 | | | | | | | | | | | 1 | O Dodin | 6$^4$ | 7$^7$ | 6 |
| 4 | P Kudermetova | 6 | 2 | 7 | | | | | | | | | | 8 | E Jacquemot | 7$^7$ | 6$^4$ | 1 |
| | G Topalova | 2 | 6 | 5 | 4 | P Kudermetova | 6$^4$ | 6 | 6 | | | | | | | | | |
| Q | E Appleton | 4 | 6 | 6$^5$ | LL | M Mutavdzic | 7$^7$ | 1 | 1 | | | | | | | | | |
| LL | M Mutavdzic | 6 | 4 | 7$^7$ | | | | | | 4 | P Kudermetova | 6$^2$ | 2 | | | | | |
| WC | T Lemaître | 2 | 0$^r$ | | | | | | | 8 | E Jacquemot | 7$^7$ | 6 | | | | | |
| | A Albié | 6 | 3 | | | A Albié | 6 | 6$^4$ | 6$^1$ | | | | | | | | | |
| Q | TN Smith | 4 | 6$^5$ | | 8 | E Jacquemot | 3 | 7$^7$ | 7$^7$ | | | | | | | | | |
| 8 | E Jacquemot | 6 | 7$^7$ | | | | | | | | | | | | | | | |

### 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 |
| 6 | Z Sönmez | 6 | 4 | 6 | | | | | | | | | | | | | | |
| Q | C Noël | 3 | 6 | 2 | 6 | Z Sönmez | 6$^5$ | 4 | | | | | | | | | | |
| | A Eala | 6 | 6 | | | A Eala | 7$^7$ | 6 | | | | | | | | | | |
| WC | A Hesse | 3 | 2 | | | | | | | | A Eala | 6 | 2 | | | | | |
| Q | D Martynov | 5 | 3 | | | | | | | 3 | L Jeanjean | 4 | 0$^r$ | | | | | |
| | F Curmi | 7 | 6 | | | F Curmi | 4 | 6$^3$ | | | | | | | | | | |
| | E Reyngold | 6 | 4 | 3 | 3 | L Jeanjean | 6 | 7$^7$ | | | | | | | | | | |
| 3 | L Jeanjean | 4 | 6 | 6 | | | | | | | | | | | A Eala | 6 | 3 | 1 |
| 5 | J Ponchet | 6 | 6 | | | | | | | | | | | | G Knutson | 2 | 6 | 6 |
| | M Rouvroy | 3 | 0 | | 5 | J Ponchet | 6 | 4 | 6$^6$ | | | | | | | | | |
| | L Miyazaki | 7$^7$ | 6 | | | L Miyazaki | 3 | 6 | 7$^8$ | | | | | | | | | |
| | A Robbe | 6$^3$ | 0 | | | | | | | | L Miyazaki | 7$^7$ | 4 | 1 | | | | |
| JE | S Costoulas | 2 | 7$^7$ | 4 | | | | | | 9 | G Knutson | 6$^5$ | 6 | 6 | | | | |
| | N Stevanović | 6 | 6$^4$ | 6 | | N Stevanović | 6 | 2 | 5 | | | | | | | | | |
| WC | M Noël | 1 | 4 | | 9 | G Knutson | 2 | 6 | 7 | | | | | | | | | |
| 9 | G Knutson | 6 | 6 | | | | | | | | | | | | | | | |