# 2019 Engie Open de Seine-et-Marne – Singles

Anna Blinkova was the defending champion, but chose not to participate.
Vitalia Diatchenko won the title, defeating Robin Anderson in the final, 6–2, 6–3.

## Seeds

* Vitalia Diatchenko (champion)
* Tamara Korpatsch (first round)
* Tereza Smitková (semifinals)
* Paula Badosa Gibert (second round)
* Harriet Dart (semifinals)
* Viktoriya Tomova (quarterfinals)
* Elena Rybakina (second round)
* Georgina García Pérez (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 |
| 1 | Vitalia Diatchenko | 7$^8$ | 6 | | | | |
| 3 | Tereza Smitková | 6$^6$ | 3 | | | | |
| 3 | Tereza Smitková | 6$^6$ | 3 | 1 | Vitalia Diatchenko | 6 | 6 |
| | | | | | Robin Anderson | 2 | 3 |
| | Robin Anderson | 6 | 6 | | Robin Anderson | 2 | 3 |
| 5 | Harriet Dart | 2 | 3 | | | | |

### 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 |
| 1 | V Diatchenko | 4 | 6 | 6 | | | | | | | | | | | | | | |
| Q | J Gervais | 6 | 4 | 3 | 1 | V Diatchenko | 6 | 6 | | | | | | | | | | |
| | L Kerkhove | 7$^7$ | 4 | 6$^4$ | | A Lottner | 1 | 3 | | | | | | | | | | |
| | A Lottner | 6$^2$ | 6 | 7$^7$ | | | | | | 1 | V Diatchenko | 6 | 6$^4$ | 6 | | | | |
| | M Zanevska | 6 | 7$^7$ | | | | | | | | M Zanevska | 0 | 7$^7$ | 3 | | | | |
| WC | A Lim | 1 | 6$^3$ | | | M Zanevska | 6 | 2 | 6 | | | | | | | | | |
| Q | A Albié | 3 | 1 | | 7 | E Rybakina | 4 | 6 | 4 | | | | | | | | | |
| 7 | E Rybakina | 6 | 6 | | | | | | | | | | | | 1 | V Diatchenko | 7$^8$ | 6 |
| 3 | T Smitková | 6 | 6 | | | | | | | | | | | | 3 | T Smitková | 6$^6$ | 3 |
| Q | U Eikeri | 4 | 0 | | 3 | T Smitková | 6 | 3 | 7$^8$ | | | | | | | | | |
| | A Hesse | 2 | 3 | | | J Ponchet | 4 | 6 | 6$^6$ | | | | | | | | | |
| | J Ponchet | 6 | 6 | | | | | | | 3 | T Smitková | 6 | 6 | | | | | |
| LL | M Manasse | 6$^2$ | 7$^7$ | 7$^8$ | | | | | | 6 | V Tomova | 3 | 2 | | | | | |
| WC | M Léonard | 7$^7$ | 6$^3$ | 6$^6$ | LL | M Manasse | 3 | 4 | | | | | | | | | | |
| | A Cadanțu | 2 | 6 | 2 | 6 | V Tomova | 6 | 6 | | | | | | | | | | |
| 6 | V Tomova | 6 | 4 | 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 | Quarterfinals | Semifinals | Semifinals | Semifinals | Semifinals |
| 8 | G García Pérez | 6 | 6 | | | | | | | | | | | | | | | |
| | I Shinikova | 4 | 4 | | 8 | G García Pérez | 6 | 3 | 3 | | | | | | | | | |
| | O Doroshina | 4 | 3 | | | M Georges | 2 | 6 | 6 | | | | | | | | | |
| | M Georges | 6 | 6 | | | | | | | | M Georges | | | | | | | |
| | R Anderson | 6 | 7 | | | | | | | | R Anderson | w/o | | | | | | |
| | P Özgen | 3 | 5 | | | R Anderson | 4 | 6 | 6 | | | | | | | | | |
| | R Šramková | 6$^4$ | 3 | | 4 | P Badosa Gibert | 6 | 1 | 4 | | | | | | | | | |
| 4 | P Badosa Gibert | 7$^7$ | 6 | | | | | | | | | | | | | R Anderson | 6 | 6 |
| 5 | H Dart | 6 | 4 | 6 | | | | | | | | | | | 5 | H Dart | 2 | 3 |
| | G Minnen | 4 | 6 | 2 | 5 | H Dart | 6 | 2 | 7$^7$ | | | | | | | | | |
| Q | C Bucșa | 6 | 6 | | Q | C Bucșa | 2 | 6 | 6$^0$ | | | | | | | | | |
| | Y In-Albon | 4 | 4 | | | | | | | 5 | H Dart | 3 | 6 | 6 | | | | |
| WC | S Reix | 6 | 5 | 2 | | | | | | Q | L-I Paar | 6 | 1 | 4 | | | | |
| Q | C Ferrando | 4 | 7 | 6 | Q | C Ferrando | 6 | 2 | 4 | | | | | | | | | |
| Q | L-I Paar | 6 | 6 | | Q | L-I Paar | 4 | 6 | 6 | | | | | | | | | |
| 2 | T Korpatsch | 2 | 0 | | | | | | | | | | | | | | | |