# 2018 Grand Est Open 88 – Singles

Stefanie Vögele won the title, defeating Sara Sorribes Tormo in the final in straight sets: 6–4, 6–2. Johanna Larsson was the defending champion, but chose not to participate.

## Seeds

* Pauline Parmentier (first round)
* Kateryna Kozlova (second round)
* Stefanie Vögele (champion)
* Viktorija Golubic (first round)
* Sara Sorribes Tormo (final)
* Arantxa Rus (quarterfinals)
* Ysaline Bonaventure (quarterfinals)
* Mona Barthel (quarterfinals)

## 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 |
| | Zheng Saisai | 3 | 6 | 2 | | | | |
| 3 | Stefanie Vögele | 6 | 3 | 6 | | | | |
| 3 | Stefanie Vögele | 6 | 3 | 6 | 3 | Stefanie Vögele | 6 | 6 |
| | | | | | 5 | Sara Sorribes Tormo | 4 | 2 |
| 5 | Sara Sorribes Tormo | 6 | 6 | | 5 | Sara Sorribes Tormo | 4 | 2 |
| | Anna Kalinskaya | 4 | 4 | | | | | |

### Top half

| First round | First round | First round | First round | First round | Second round | Second round | Second round | Second round | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Semifinals | Semifinals | Semifinals | Semifinals | Semifinals |
| 1 | P Parmentier | 6$^8$ | 6 | 2 | | | | | | | | | | | | | | |
| | S Zheng | 7$^{10}$ | 3 | 6 | | S Zheng | 6 | 6 | | | | | | | | | | |
| Q | L Wargnier | 2 | 6 | 3 | WC | T Andrianjafitrimo | 0 | 4 | | | | | | | | | | |
| WC | T Andrianjafitrimo | 6 | 4 | 6 | | | | | | S Zheng | 6 | 4 | 6 | | | | | |
| | H Tan | 3 | 3 | | | | | | 6 | A Rus | 3 | 6 | 4 | | | | | |
| | J Paolini | 6 | 6 | | | J Paolini | 4 | 3 | | | | | | | | | | |
| Q | A Vasylyeva | 0 | 0 | | 6 | A Rus | 6 | 6 | | | | | | | | | | |
| 6 | A Rus | 6 | 6 | | | | | | | | | | | | S Zheng | 3 | 6 | 2 |
| 3 | S Vögele | 6 | 7$^7$ | | | | | | | | | | | 3 | S Vögele | 6 | 3 | 6 |
| | R Zarazúa | 3 | 6$^5$ | | 3 | S Vögele | 7 | 6 | | | | | | | | | | |
| | C Perrin | 6 | 6 | | | C Perrin | 5 | 2 | | | | | | | | | | |
| Q | M Noël | 0 | 2 | | | | | | 3 | S Vögele | 7$^7$ | 6 | | | | | | |
| | O Dodin | 3 | 0$^r$ | | | | | | 8 | M Barthel | 6$^2$ | 2 | | | | | | |
| WC | A Hesse | 6 | 0 | | WC | A Hesse | 5 | 4 | | | | | | | | | | |
| | D Chiesa | 3 | 1 | | 8 | M Barthel | 7 | 6 | | | | | | | | | | |
| 8 | M Barthel | 6 | 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 |
| 5 | S Sorribes Tormo | 6 | 6$^5$ | 6 | | | | | | | | | | | | | | |
| Q | M Minella | 4 | 7$^7$ | 3 | 5 | S Sorribes Tormo | 7 | 6 | | | | | | | | | | |
| | M Hončová | 3 | 6 | 3 | | M Georges | 5 | 1 | | | | | | | | | | |
| | M Georges | 6 | 1 | 6 | | | | | | 5 | S Sorribes Tormo | 6 | 6 | | | | | |
| | E Bouchard | 2 | 6 | 3 | | | | | | | P Schnyder | 2 | 2 | | | | | |
| | P Badosa Gibert | 6 | 3 | 6 | | P Badosa Gibert | 6$^1$ | 1 | | | | | | | | | | |
| | P Schnyder | 7$^7$ | 1 | 6 | | P Schnyder | 7$^7$ | 6 | | | | | | | | | | |
| 4 | V Golubic | 6$^5$ | 6 | 3 | | | | | | | | | | | 5 | S Sorribes Tormo | 6 | 6 |
| 7 | Y Bonaventure | 6 | 7$^7$ | | | | | | | | | | | | | A Kalinskaya | 4 | 4 |
| | M Kobori | 3 | 6$^2$ | | 7 | Y Bonaventure | 6$^5$ | 6 | 6 | | | | | | | | | |
| | A Shimizu | 4 | 4 | | WC | C Liu | 7$^7$ | 3 | 1 | | | | | | | | | |
| WC | C Liu | 6 | 6 | | | | | | | 7 | Y Bonaventure | 6 | 1 | 4 | | | | |
| WC | S Cakarevic | 3 | 1 | | | | | | | | A Kalinskaya | 3 | 6 | 6 | | | | |
| | A Kalinskaya | 6 | 6 | | | A Kalinskaya | 6 | 7$^7$ | | | | | | | | | | |
| | T Korpatsch | 3 | 4 | | 2 | K Kozlova | 4 | 6$^5$ | | | | | | | | | | |
| 2 | K Kozlova | 6 | 6 | | | | | | | | | | | | | | | |