| Singles | |
|---|---|
| 2018 Engie Open Andrézieux-Bouthéon 42 | |
| Champion |  Georgina García Pérez |
| Runner-up |  Arantxa Rus |
| Final score | 6–2, 6–0 |
Anett Kontaveit was the defending champion, however she chose not to participate.
Georgina García Pérez won the title after defeating Arantxa Rus 6–2, 6–0 in the final.
Pauline Parmentier (first round)
Jana Čepelová (first round) Viktória Kužmová (first round) Arantxa Rus (final)
Tereza Martincová (second round)
Antonia Lottner (first round)
Jasmine Paolini (first round)
Magdalena Fręch (semifinals)| Semifinals | Final | ||||||||||||
| WC | Fiona Ferro | 1 | 0 | ||||||||||
| 4 | Arantxa Rus | 6 | 6 | ||||||||||
| 4 | Arantxa Rus | 2 | 0 | ||||||||||
| Georgina García Pérez | 6 | 6 | |||||||||||
| 8 | Magdalena Fręch | 4 | 6 | 3 | |||||||||
| Georgina García Pérez | 6 | 1 | 6 | ||||||||||
| First round | Second round | Quarterfinals | Semifinals | ||||||||||||||||||||||||
| 1/WC | P Parmentier | 6 | 61 | 2 | |||||||||||||||||||||||
 K von Deichmann | 3 | 77 | 6 | K von Deichmann | 4 | 3 | |||||||||||||||||||||
| WC | F Ferro | 77 | 6 | WC | F Ferro | 6 | 6 | ||||||||||||||||||||
 Y Bonaventure | 60 | 2 | WC | F Ferro | 7 | 4 | 6 | ||||||||||||||||||||
| B Schoofs | 4 | 6 | 6 | B Schoofs | 5 | 6 | 4 | ||||||||||||||||||||
| M Hončová | 6 | 1 | 0 | B Schoofs | 6 | 6 | |||||||||||||||||||||
| Q | C Bucșa | 5 | 6 | 1 | 5 | T Martincová | 3 | 2 | |||||||||||||||||||
| 5 | T Martincová | 7 | 4 | 6 | WC | F Ferro | 1 | 0 | |||||||||||||||||||
| 4 | A Rus | 6 | 6 | 4 | A Rus | 6 | 6 | ||||||||||||||||||||
 D Gálfi | 3 | 0 | 4 | A Rus | 77 | 6 | |||||||||||||||||||||
| Q | M Arcangioli | 2 | 6 | 77 | Q | M Arcangioli | 62 | 2 | |||||||||||||||||||
 A Cadanțu | 6 | 3 | 60 | 4 | A Rus | 6 | 6 | ||||||||||||||||||||
| WC | S Cakarevic | 6 | 3 | 4 | T Korpatsch | 2 | 4 | ||||||||||||||||||||
| T Korpatsch | 2 | 6 | 6 | T Korpatsch | 6 | 6 | |||||||||||||||||||||
| G Brescia | 6 | 6 | G Brescia | 3 | 4 | ||||||||||||||||||||||
| 7 | J Paolini | 3 | 4 | ||||||||||||||||||||||||
| First round | Second round | Quarterfinals | Semifinals | ||||||||||||||||||||||||
| 8 | M Fręch | 6 | 5 | 77 | |||||||||||||||||||||||
 C Perrin | 2 | 7 | 65 | 8 | M Fręch | 6 | 6 | ||||||||||||||||||||
| WC | C Paquet | 6 | 6 | WC | C Paquet | 3 | 4 | ||||||||||||||||||||
| O Sáez Larra | 2 | 4 | 8 | M Fręch | 6 | 2 | |||||||||||||||||||||
| D Chiesa | 6 | 3 | 4 |  V Diatchenko | 3 | 2r | |||||||||||||||||||||
| S Reix | 3 | 6 | 6 | S Reix | 4 | 3 | |||||||||||||||||||||
| V Diatchenko | 6 | 3 | 6 | V Diatchenko | 6 | 6 | |||||||||||||||||||||
| 3 | V Kužmová | 2 | 6 | 3 | 8 | M Fręch | 4 | 6 | 3 | ||||||||||||||||||
| 6 | A Lottner | 3 | 2 | G García Pérez | 6 | 1 | 6 | ||||||||||||||||||||
| Q | A Albié | 6 | 6 | Q | A Albié | 6 | 6 | ||||||||||||||||||||
| A Sadiković | 6 | 1 | 3 | T Smitková | 4 | 4 | |||||||||||||||||||||
| T Smitková | 3 | 6 | 6 | Q | A Albié | 3 | 7 | 63 | |||||||||||||||||||
| Q | H Tan | 3 | 2 | G García Pérez | 6 | 5 | 77 | ||||||||||||||||||||
 T Zidanšek | 6 | 6 | T Zidanšek | 2 | 3 | ||||||||||||||||||||||
| G García Pérez | 6 | 7 | G García Pérez | 6 | 6 | ||||||||||||||||||||||
| 2 | J Čepelová | 3 | 5 | ||||||||||||||||||||||||
Ksenia Milevskaya and Urszula Radwańska were the defending champions, but did not compete in the juniors that year.
Kaia Kanepi was the defending champion but chose not to compete.
Anastasia Pivovarova defeated Arantxa Rus in the final 7–6(7–4), 6–7(3–7), 6–2.
Caroline Wozniacki was the defending champion, but she chose not to participate.
Agnieszka Radwańska won the title, defeating Simona Halep 7–5, 6–0 in the final.
Arantxa Rus was the defending champion, but lost in the first round to Mariana Duque Mariño.
Irina-Camelia Begu was the defending champion, but lost in the second round to Jana Čepelová.
Simona Halep was the defending champion, but chose not to participate this year.
Laura Siegemund was the defending champion, but could not defend her title due to a right knee injury.
Andreea Mitu and Alicja Rosolska were the defending champions, but Mitu chose not to participate this year. Rosolska played alongside Oksana Kalashnikova, but lost in the semifinals to Quirine Lemoine and Arantxa Rus.
Lara Arruabarrena was the defending champion, but lost in the first round to Ekaterina Alexandrova.
Lesia Tsurenko was the defending champion and successfully defended her title, defeating Stefanie Vögele in the final, 5–7, 7–6(7–2), 6–2.
Elina Svitolina was the defending champion, but chose to compete in Stuttgart instead.
Carina Witthöft was the defending champion, but lost in the first round to Vera Lapko.
Belinda Bencic was the champion the last time the event was held in 2017, but chose to compete in St. Petersburg instead.
Kathinka von Deichmann was the defending champion, but lost to Arantxa Rus in the second round.
Rebecca Šramková was the defending champion but lost in the quarterfinals to Natalia Vikhlyantseva.
Laura Ioana Paar and Julia Wachaczyk were the defending champions but lost in the quarterfinals to Viktória Kužmová and Arantxa Rus.
Tamara Zidanšek was the two-time defending champion, having won the last edition in 2019, however she was unable to defend her title as she was still competing at the 2021 French Open, reaching the semi-final of the Grand Slam.
Arantxa Rus and Tamara Zidanšek were the reigning champions, but chose not to participate.
This was the first edition of the tournament.
This was the first edition of the tournament.