# 2018 Engie Open Saint-Gaudens Occitanie – Singles

Richèl Hogenkamp was the defending champion, but lost to Valentini Grammatikopoulou in the second round.
Vera Lapko won the title after defeating Quirine Lemoine 6–2, 6–4 in the final.

## Seeds

* Vera Lapko (champion)
* Arantxa Rus (semifinals)
* Océane Dodin (first round, retired)
* Richèl Hogenkamp (second round)
* Viktoriya Tomova (quarterfinals)
* Patty Schnyder (second round)
* Olivia Rogowska (first round)
* Misaki Doi (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 |
| 1 | Vera Lapko | 3 | 6 | 6 | | | | |
| | Jaimee Fourlis | 6 | 4 | 2 | | | | |
| | Jaimee Fourlis | 6 | 4 | 2 | 1 | Vera Lapko | 6 | 6 |
| | | | | | PR | Quirine Lemoine | 2 | 4 |
| PR | Quirine Lemoine | 7$^9$ | 6 | | PR | Quirine Lemoine | 2 | 4 |
| 2 | Arantxa Rus | 6$^7$ | 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 | Semifinals | Semifinals | Semifinals | Semifinals | Semifinals |
| 1 | V Lapko | 7$^7$ | 6 | | | | | | | | | | | | | | | |
| | F Ferro | 6$^5$ | 4 | | 1 | V Lapko | 6 | 6 | | | | | | | | | | |
| | I Bara | 6 | 6 | | | I Bara | 4 | 2 | | | | | | | | | | |
| | R Zarazúa | 3 | 3 | | | | | | | 1 | V Lapko | 6 | 6 | | | | | |
| | E Perez | 2 | 1 | | | | | | | | K Zavatska | 0 | 4 | | | | | |
| | K Zavatska | 6 | 6 | | | K Zavatska | 0 | 6 | 6 | | | | | | | | | |
| WC | E Silva | 0 | 2 | | 6 | P Schnyder | 6 | 4 | 2 | | | | | | | | | |
| 6 | P Schnyder | 6 | 6 | | | | | | | | | | | 1 | V Lapko | 3 | 6 | 6 |
| 3 | O Dodin | 0 | 1$^r$ | | | | | | | | | | | | J Fourlis | 6 | 4 | 2 |
| | S Reix | 6 | 3 | | | S Reix | w/o | | | | | | | | | | | |
| WC | M Arcangioli | 4 | 3 | | Q | P Heise | | | | | | | | | | | | |
| Q | P Heise | 6 | 6 | | | | | | | | S Reix | 2 | 0 | | | | | |
| | İ Soylu | 5 | 2 | | | | | | | | J Fourlis | 6 | 6 | | | | | |
| Q | Y Sizikova | 7 | 6 | | Q | Y Sizikova | 5 | 3 | | | | | | | | | | |
| | J Fourlis | 6 | 4 | 6 | | J Fourlis | 7 | 6 | | | | | | | | | | |
| 7 | O Rogowska | 4 | 6 | 4 | | | | | | | | | | | | | | |

### 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 | Semifinals | Semifinals | Semifinals | Semifinals |
| 8 | M Doi | 5 | 4 | | | | | | | | | | | | | | |
| PR | Q Lemoine | 7 | 6 | | PR | Q Lemoine | 6 | 6 | | | | | | | | | |
| | J Ponchet | 7$^7$ | 2 | 2 | | V Ivakhnenko | 4 | 3 | | | | | | | | | |
| | V Ivakhnenko | 6$^4$ | 6 | 6 | | | | | | PR | Q Lemoine | 6 | 6 | | | | |
| | V Grammatikopoulou | 4 | 7 | 6 | | | | | | | V Grammatikopoulou | 2 | 4 | | | | |
| Q | K Birrell | 6 | 5 | 2 | | V Grammatikopoulou | 7$^7$ | 6 | | | | | | | | | |
| | M Georges | 3 | 6 | 3 | 4 | R Hogenkamp | 6$^3$ | 1 | | | | | | | | | |
| 4 | R Hogenkamp | 6 | 4 | 6 | | | | | | | | | | PR | Q Lemoine | 7$^9$ | 6 |
| 5 | V Tomova | 4 | 7 | 6 | | | | | | | | | | 2 | A Rus | 6$^7$ | 3 |
| WC | T Andrianjafitrimo | 6 | 5 | 3 | 5 | V Tomova | 7 | 6 | | | | | | | | | |
| Q | H Tan | 6 | 3 | 6$^3$ | | F Di Lorenzo | 5 | 4 | | | | | | | | | |
| | F Di Lorenzo | 3 | 6 | 7$^7$ | | | | | | 5 | V Tomova | 0 | 5 | | | | |
| | J Pieri | 6 | 6 | | | | | | | 2 | A Rus | 6 | 7 | | | | |
| WC | M Yerolymos | 3 | 2 | | | J Pieri | 7$^7$ | 1 | 0 | | | | | | | | |
| | A Hesse | 1 | 4 | | 2 | A Rus | 6$^4$ | 6 | 6 | | | | | | | | |
| 2 | A Rus | 6 | 6 | | | | | | | | | | | | | | |