| Singles | |
|---|---|
| 2018 Engie Open de Seine-et-Marne | |
| Champion |  Anna Blinkova |
| Runner-up |  Karolína Muchová |
| Final score | Walkover |
Ekaterina Alexandrova was the defending champion, but lost in the first round to Jessika Ponchet.
Anna Blinkova won the title after Karolína Muchová withdrew from the final.
Ekaterina Alexandrova (first round)
Océane Dodin (withdrew) Denisa Allertová (first round)
Viktória Kužmová (first round) Pauline Parmentier (second round)
Arantxa Rus (first round) Anna Blinkova (champion)
Magdalena Fręch (semifinals)| Semifinals | Final | ||||||||||||
| Q | Karolína Muchová | 6 | 4 | 6 | |||||||||
| Anna Kalinskaya | 1 | 6 | 3 | ||||||||||
| Q | Karolína Muchová | ||||||||||||
| 7 | Anna Blinkova | w/o | |||||||||||
| 8 | Magdalena Fręch | 4 | 6 | 4 | |||||||||
| 7 | Anna Blinkova | 6 | 3 | 6 | |||||||||
| First round | Second round | Quarterfinals | Semifinals | ||||||||||||||||||||||||
| 1 | E Alexandrova | 3 | 6 | 5 | |||||||||||||||||||||||
| WC | J Ponchet | 6 | 2 | 7 | WC | J Ponchet | 7 | 77 | |||||||||||||||||||
| Q | J Malečková | 6 | 6 | Q | J Malečková | 5 | 65 | ||||||||||||||||||||
| JE | E Rybakina | 2 | 4 | WC | J Ponchet | 65 | 2 | ||||||||||||||||||||
 A Lottner | 3 | 5 | Q | K Muchová | 77 | 6 | |||||||||||||||||||||
| Q | K Muchová | 6 | 7 | Q | K Muchová | 6 | 6 | ||||||||||||||||||||
| B Schoofs | 5 | 4 | 5 | P Parmentier | 3 | 4 | |||||||||||||||||||||
| 5 | P Parmentier | 7 | 6 | Q | K Muchová | 6 | 4 | 6 | |||||||||||||||||||
| 3 | D Allertová | 1 | 2 | A Kalinskaya | 1 | 6 | 3 | ||||||||||||||||||||
| V Zvonareva | 6 | 6 | V Zvonareva | 3 | |||||||||||||||||||||||
| Q | H Tan | 6 | 6 | Q | H Tan | 0r | |||||||||||||||||||||
| P Monova | 1 | 4 | V Zvonareva | 1 | 3 | ||||||||||||||||||||||
 V Tomova | 4 | 67 | A Kalinskaya | 6 | 6 | ||||||||||||||||||||||
| A Kalinskaya | 6 | 79 | A Kalinskaya | 6 | 6 | ||||||||||||||||||||||
| Q | O Doroshina | 6 | 6 | Q | O Doroshina | 3 | 2 | ||||||||||||||||||||
| 6 | A Rus | 3 | 4 | ||||||||||||||||||||||||
| First round | Second round | Quarterfinals | Semifinals | ||||||||||||||||||||||||
| 8 | M Fręch | 6 | 6 | ||||||||||||||||||||||||
| WC | C Paquet | 4 | 4 | 8 | M Fręch | 6 | 7 | ||||||||||||||||||||
| A Zaja | 6 | 3 | 4 |  P Badosa Gibert | 1 | 5 | |||||||||||||||||||||
| P Badosa Gibert | 4 | 6 | 6 | 8 | M Fręch | 7 | 77 | ||||||||||||||||||||
| V Diatchenko | 6 | 6 | V Diatchenko | 5 | 62 | ||||||||||||||||||||||
| WC | A Albié | 3 | 2 | V Diatchenko | 6 | 6 | |||||||||||||||||||||
| LL | K Piter | 2 | 6 | 6 | LL | K Piter | 3 | 4 | |||||||||||||||||||
| 4 | V Kužmová | 6 | 0 | 4 | 8 | M Fręch | 4 | 6 | 4 | ||||||||||||||||||
| 7 | A Blinkova | 6 | 6 | 7 | A Blinkova | 6 | 3 | 6 | |||||||||||||||||||
| WC | M Léonard | 1 | 1 | 7 | A Blinkova | 7 | 65 | 7 | |||||||||||||||||||
| T Smitková | 3 | 2 | LL | U Radwańska | 5 | 77 | 5 | ||||||||||||||||||||
| LL | U Radwańska | 6 | 6 | 7 | A Blinkova | 6 | 4 | 6 | |||||||||||||||||||
| A Hesse | 5 | 62 | T Korpatsch | 2 | 6 | 2 | |||||||||||||||||||||
| T Korpatsch | 7 | 77 | T Korpatsch | 3 | 6 | 77 | |||||||||||||||||||||
 C Scholl | 2 | 0 | LL |  C Ferrando | 6 | 0 | 65 | ||||||||||||||||||||
| LL | C Ferrando | 6 | 6 | ||||||||||||||||||||||||
Tereza Smitková was the defending champion, but chose not to participate this year.
Caroline Garcia won the title, defeating Louisa Chirico in the final 6–1, 6–3.
Anna Karolína Schmiedlová was the defending champion, but lost in the first round to Pauline Parmentier.
Barbora Krejčíková was the defending champion, but chose to participate in Bucharest instead.
Wang Qiang was the defending champion but chose not to defend her title.
Ekaterina Alexandrova was the defending champion, but lost in the quarterfinals to Antonia Lottner.
Karolína Plíšková was the defending champion, but lost in the third round to Catherine Bellis.
Ekaterina Alexandrova was the defending champion, but chose not to participate.
Barbora Strýcová was the defending champion, but lost in the quarterfinals to Alison Van Uytvanck.
Petra Kvitová was the defending champion, but lost to Donna Vekić in the quarterfinals.
Alison Van Uytvanck was the defending champion and successfully defended her title, defeating Markéta Vondroušová in the final, 1–6, 7–5, 6–2.
Georgina García Pérez and Fanny Stollár were the defending champions, but chose not to participate together. García Pérez played alongside Renata Voráčová, but lost in the quarterfinals to Anna Blinkova and Anastasia Potapova.
Karolína Plíšková was the defending champion, but lost in the second round to Victoria Azarenka.
Camila Giorgi was the defending champion, but withdrew before the tournament started, due to injury.
Ekaterina Alexandrova was the defending champion, and successfully defended her title, defeating Aliaksandra Sasnovich in the final 6–1, 6–3.
Veronika Kudermetova and Galina Voskoboeva were the defending champions but chose not to participate.
Aryna Sabalenka was the defending champion, but lost in the second round to Kristýna Plíšková.
Jil Teichmann was the defending champion, but chose to participate in Lexington instead.
This was a new tournament in 2021.
Aryna Sabalenka was the defending champion, but she chose not to compete this year.
Belinda Bencic was the defending champion, having won the previous edition in 2019, but she withdrew before the tournament began.