# 2018 Libéma Open – Women's singles

Anett Kontaveit was the defending champion, but lost in the first round to Veronika Kudermetova.
Aleksandra Krunić won her first WTA singles title, defeating Kirsten Flipkens in the final, 6–7$^{(0–7)}$, 7–5, 6–1.

## Seeds

* CoCo Vandeweghe (semifinals)
* Elise Mertens (second round)
* Kiki Bertens (second round)
* Anett Kontaveit (first round)
* Zhang Shuai (first round)
* Alison Van Uytvanck (second round)
* Aleksandra Krunić (champion)
* Aryna Sabalenka (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 | Final |
| 1 | CoCo Vandeweghe | 6 | 6$^4$ | 6$^1$ | | | | | |
| 7 | Aleksandra Krunić | 2 | 7$^7$ | 7$^7$ | | | | | |
| 7 | Aleksandra Krunić | 2 | 7$^7$ | 7$^7$ | 7 | Aleksandra Krunić | 6$^0$ | 7 | 6 |
| | | | | | | Kirsten Flipkens | 7$^7$ | 5 | 1 |
| | Kirsten Flipkens | 7 | 6$^7$ | 6 | | Kirsten Flipkens | 7$^7$ | 5 | 1 |
| | Viktória Kužmová | 5 | 7$^9$ | 4 | | | | | |

### 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 | Semifinals |
| 1 | C Vandeweghe | 6 | 7$^7$ | | | | | | | | | | | | | | | | |
| | A Sasnovich | 2 | 6$^1$ | | 1 | C Vandeweghe | 7$^7$ | 6 | | | | | | | | | | | |
| | A Rus | 6$^5$ | 6 | 7$^9$ | | A Rus | 6$^4$ | 3 | | | | | | | | | | | |
| | E Alexandrova | 7$^7$ | 4 | 6$^7$ | | | | | | 1 | C Vandeweghe | 7$^8$ | 3 | 7$^{14}$ | | | | | |
| | T Maria | 4 | 6$^2$ | | | | | | | | A Riske | 6$^6$ | 6 | 6$^{12}$ | | | | | |
| | A Riske | 6 | 7$^7$ | | | A Riske | 7$^7$ | 6 | | | | | | | | | | | |
| Q | F Stollár | 6 | 6 | | Q | F Stollár | 6$^1$ | 2 | | | | | | | | | | | |
| 5 | S Zhang | 3 | 3 | | | | | | | | | | | | 1 | C Vandeweghe | 6 | 6$^4$ | 6$^1$ |
| 4 | A Kontaveit | 4 | 6$^4$ | | | | | | | | | | | | 7 | A Krunić | 2 | 7$^7$ | 7$^7$ |
| Q | V Kudermetova | 6 | 7$^7$ | | Q | V Kudermetova | 6 | 2 | 6 | | | | | | | | | | |
| | B Bencic | 6 | 6 | | | B Bencic | 2 | 6 | 3 | | | | | | | | | | |
| LL | T Martincová | 2 | 4 | | | | | | | Q | V Kudermetova | 2 | 2 | | | | | | |
| | C Witthöft | 4 | 5 | | | | | | | 7 | A Krunić | 6 | 6 | | | | | | |
| WC | B Schoofs | 6 | 7 | | WC | B Schoofs | 5 | 2 | | | | | | | | | | | |
| Q | V Grammatikopoulou | 1 | 0 | | 7 | A Krunić | 7 | 6 | | | | | | | | | | | |
| 7 | A Krunić | 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 | Semifinals | Semifinals | Semifinals | Semifinals |
| 8 | A Sabalenka | 0 | 7 | 6 | | | | | | | | | | | | | |
| | M Vondroušová | 6 | 5 | 3 | 8 | A Sabalenka | 3 | 7$^7$ | 6 | | | | | | | | |
| | Kr Plíšková | 6 | 6$^3$ | 2 | | A Tomljanović | 6 | 6$^5$ | 0 | | | | | | | | |
| | A Tomljanović | 4 | 7$^7$ | 6 | | | | | | 8 | A Sabalenka | 4 | 4 | | | | |
| WC | A Kalinskaya | 3 | 0 | | | | | | | | K Flipkens | 6 | 6 | | | | |
| | K Flipkens | 6 | 6 | | | K Flipkens | 6 | 6$^6$ | 6 | | | | | | | | |
| | N Vikhlyantseva | 7 | 3 | 6$^5$ | 3 | K Bertens | 4 | 7$^8$ | 1 | | | | | | | | |
| 3 | K Bertens | 5 | 6 | 7$^7$ | | | | | | | | | | K Flipkens | 7 | 6$^7$ | 6 |
| 6 | A Van Uytvanck | 6 | 6 | | | | | | | | | | | V Kužmová | 5 | 7$^9$ | 4 |
| WC | R Hogenkamp | 1 | 2 | | 6 | A Van Uytvanck | 6 | 6$^4$ | 2 | | | | | | | | |
| Q | M Melnikova | 2 | 2 | | | V Kužmová | 3 | 7$^7$ | 6 | | | | | | | | |
| | V Kužmová | 6 | 6 | | | | | | | | V Kužmová | 6 | 6 | | | | |
| Q | A Blinkova | 2 | 6 | 2 | | | | | | Q | A Lottner | 3 | 2 | | | | |
| Q | A Lottner | 6 | 3 | 6 | Q | A Lottner | 7 | 6 | | | | | | | | | |
| | P Hercog | 2 | 4 | | 2 | E Mertens | 5 | 3 | | | | | | | | | |
| 2 | E Mertens | 6 | 6 | | | | | | | | | | | | | | |

## Qualifying
### Seeds

* Anna Blinkova (qualified)
* Antonia Lottner (qualified)
* Tereza Martincová (qualifying competition, lucky loser)
* Fanny Stollár (qualified)
* Veronika Kudermetova (qualified)
* Valentini Grammatikopoulou (qualified)
* Barbara Haas (first round)
* Lesley Kerkhove (qualifying competition)
* Renata Zarazúa (qualifying competition)
* Victoria Duval (qualifying competition)
* Ellen Perez (first round)
* Marina Melnikova (qualified)

### Qualifiers

* Anna Blinkova
* Antonia Lottner
* Marina Melnikova
* Fanny Stollár
* Veronika Kudermetova
* Valentini Grammatikopoulou

### Lucky loser

* Tereza Martincová

### Qualifying draw
#### First qualifier

| First round | First round | First round | First round | Qualifying competition | Qualifying competition | Qualifying competition | Qualifying competition |
| 1 | Anna Blinkova | 6 | 6 | | | | |
| | Amra Sadiković | 3 | 4 | | | | |
| | Amra Sadiković | 3 | 4 | 1 | Anna Blinkova | 6 | 6 |
| | | | | 10 | Victoria Duval | 1 | 4 |
| | Oksana Kalashnikova | 4 | 1 | 10 | Victoria Duval | 1 | 4 |
| 10 | Victoria Duval | 6 | 6 | | | | |

#### Second qualifier

| First round | First round | First round | First round | First round | Qualifying competition | Qualifying competition | Qualifying competition | Qualifying competition |
| 2 | Antonia Lottner | 2 | 7 | 7 | | | | |
| WC | Urszula Radwańska | 6 | 5 | 5 | | | | |
| WC | Urszula Radwańska | 6 | 5 | 5 | 2 | Antonia Lottner | 6 | 6 |
| | | | | | 9 | Renata Zarazúa | 3 | 3 |
| WC | Kelly Versteeg | 3 | 0 | | 9 | Renata Zarazúa | 3 | 3 |
| 9 | Renata Zarazúa | 6 | 6 | | | | | |

#### Third qualifier

| First round | First round | First round | First round | First round | Qualifying competition | Qualifying competition | Qualifying competition | Qualifying competition |
| 3 | Tereza Martincová | 7$^7$ | 6 | | | | | |
| | Cornelia Lister | 6$^2$ | 4 | | | | | |
| | Cornelia Lister | 6$^2$ | 4 | | 3 | Tereza Martincová | 6$^2$ | 2 |
| | | | | | 12 | Marina Melnikova | 7$^7$ | 6 |
| | Lidziya Marozava | 3 | 6 | 6$^5$ | 12 | Marina Melnikova | 7$^7$ | 6 |
| 12 | Marina Melnikova | 6 | 2 | 7$^7$ | | | | |

#### Fourth qualifier

| First round | First round | First round | First round | Qualifying competition | Qualifying competition | Qualifying competition | Qualifying competition |
| 4 | Fanny Stollár | 6 | 6 | | | | |
| WC | Demi Schuurs | 3 | 3 | | | | |
| WC | Demi Schuurs | 3 | 3 | 4 | Fanny Stollár | 6 | 6 |
| | | | | 8 | Lesley Kerkhove | 3 | 2 |
| WC | Rosalie van der Hoek | 3 | 2 | 8 | Lesley Kerkhove | 3 | 2 |
| 8 | Lesley Kerkhove | 6 | 6 | | | | |

#### Fifth qualifier

| First round | First round | First round | First round | Qualifying competition | Qualifying competition | Qualifying competition | Qualifying competition |
| 5 | Veronika Kudermetova | 6 | 7 | | | | |
| | Darija Jurak | 2 | 5 | | | | |
| | Darija Jurak | 2 | 5 | 5 | Veronika Kudermetova | 6 | 6 |
| | | | | | Sviatlana Pirazhenka | 2 | 3 |
| | Sviatlana Pirazhenka | 7$^7$ | 6 | | Sviatlana Pirazhenka | 2 | 3 |
| 11 | Ellen Perez | 6$^4$ | 4 | | | | |

#### Sixth qualifier

| First round | First round | First round | First round | Qualifying competition | Qualifying competition | Qualifying competition | Qualifying competition |
| 6 | Valentini Grammatikopoulou | 6 | 6 | | | | |
| WC | Dewi Dijkman | 3 | 1 | | | | |
| WC | Dewi Dijkman | 3 | 1 | 6 | Valentini Grammatikopoulou | 6 | 6 |
| | | | | | Katarzyna Piter | 4 | 4 |
| | Katarzyna Piter | 6 | 6 | | Katarzyna Piter | 4 | 4 |
| 7 | Barbara Haas | 3 | 4 | | | | |