# 2023 Engie Open de Biarritz – Singles

Mina Hodzic was the defending champion of the 2023 Engie Open de Biarritz – Singles tournament but lost in the first round of qualifying.
Fiona Ferro won the title, defeating İpek Öz in straight sets in the final, 7–5, 6–3.

## Seeds

* Diane Parry (second round)
* Séléna Janicijevic (first round)
* Sára Bejlek (second round)
* Tímea Babos (semifinals)
* Irene Burillo Escorihuela (second round)
* İpek Öz (final)
* Carlota Martínez Círez (semifinals)
* Sada Nahimana (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 |
| WC | Fiona Ferro | 5 | 6 | 6 | | | | |
| 4 | Tímea Babos | 7 | 3 | 3 | | | | |
| 4 | Tímea Babos | 7 | 3 | 3 | WC | Fiona Ferro | 7 | 6 |
| | | | | | 6 | İpek Öz | 5 | 3 |
| 7 | Carlota Martínez Círez | 0 | 4 | | 6 | İpek Öz | 5 | 3 |
| 6 | İpek Öz | 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 | Quarterfinals | Semifinals | Semifinals | Semifinals | Semifinals | Semifinals |
| 1 | D Parry | 6 | 6 | | | | | | | | | | | | | | | | |
| | C Perrin | 0 | 4 | | 1 | D Parry | 5 | 3 | | | | | | | | | | | |
| WC | F Ferro | 6 | 1 | 7 | WC | F Ferro | 7 | 6 | | | | | | | | | | | |
| | J Dürst | 3 | 6 | 5 | | | | | | WC | F Ferro | 7$^7$ | 3 | 6 | | | | | |
| | A Lázaro García | 1$^r$ | | | | | | | | | M Rouvroy | 6$^3$ | 6 | 1 | | | | | |
| | M Rouvroy | 1 | | | | M Rouvroy | 6 | 6 | | | | | | | | | | | |
| WC | É Dartron | 7$^7$ | 6 | | WC | É Dartron | 2 | 3 | | | | | | | | | | | |
| 8 | S Nahimana | 6$^5$ | 3 | | | | | | | | | | | | WC | F Ferro | 5 | 6 | 6 |
| 4 | T Babos | 4 | 6 | 6 | | | | | | | | | | | 4 | T Babos | 7 | 3 | 3 |
| Q | N Radovanovic | 6 | 0 | 3 | 4 | T Babos | 6 | 2 | 7$^7$ | | | | | | | | | | |
| | W Falkowska | 6 | 5 | 0 | Q | V Mboko | 3 | 6 | 6$^4$ | | | | | | | | | | |
| Q | V Mboko | 2 | 7 | 6 | | | | | | 4 | T Babos | 1 | 6 | 6 | | | | | |
| WC | E Léné | 4 | 2 | | | | | | | Q | A Hesse | 6 | 3 | 1 | | | | | |
| Q | A Hesse | 6 | 6 | | Q | A Hesse | 7 | 5 | 6 | | | | | | | | | | |
| Q | E Koike | 5 | 4 | | 5 | I Burillo Escorihuela | 5 | 7 | 4 | | | | | | | | | | |
| 5 | I Burillo Escorihuela | 7 | 6 | | | | | | | | | | | | | | | | |

### Bottom half

| 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 |
| 7 | C Martínez Círez | 7 | 6 | | | | | | | | | | | | | | |
| JE | S Saito | 5 | 1 | 7 | C Martínez Círez | 7 | 7$^7$ | | | | | | | | | | |
| Q | A Ureke | 2 | 2 | | K Kawa | 5 | 6$^5$ | | | | | | | | | | |
| | K Kawa | 6 | 6 | | | | | | 7 | C Martínez Círez | 6 | 6 | | | | | |
| | L Radivojević | 7 | 6 | | | | | | | L Radivojević | 4 | 4 | | | | | |
| Q | L Petretic | 5 | 4 | | L Radivojević | 6 | 6$^8$ | 7 | | | | | | | | | |
| | V Strakhova | 2 | 5 | 3 | S Bejlek | 1 | 7$^{10}$ | 5 | | | | | | | | | |
| 3 | S Bejlek | 6 | 7 | | | | | | | | | | | 7 | C Martínez Círez | 0 | 4 |
| 6 | İ Öz | 6 | 6 | | | | | | | | | | | 6 | İ Öz | 6 | 6 |
| | F Curmi | 3 | 3 | 6 | İ Öz | 6 | 2 | 6 | | | | | | | | | |
| | A Sisková | 6 | 6 | | A Sisková | 2 | 6 | 4 | | | | | | | | | |
| WC | N Berecoechea | 1 | 0 | | | | | | 6 | İ Öz | 1 | 6 | 6 | | | | |
| Q | T Andrianjafitrimo | 6 | 6 | | | | | | Q | T Andrianjafitrimo | 6 | 3 | 2 | | | | |
| | L Nguyen Tan | 2 | 0 | Q | T Andrianjafitrimo | 3 | 6 | 6 | | | | | | | | | |
| Q | L Boisson | 6 | 7$^{13}$ | Q | L Boisson | 6 | 1 | 2 | | | | | | | | | |
| 2 | S Janicijevic | 3 | 6$^{11}$ | | | | | | | | | | | | | | |