# 2018 Zhuhai Open – Women's singles

Denisa Allertová was the defending champion, but lost to Vitalia Diatchenko in the first round.
Maryna Zanevska won the title, defeating Marta Kostyuk in the final, 6–2, 6–4.

## Seeds

* Denisa Allertová (first round)
* Nao Hibino (first round)
* Luksika Kumkhum (first round)
* Viktória Kužmová (quarterfinals)
* Zheng Saisai (withdrew)
* Danka Kovinić (first round)
* Miyu Kato (first round)
* Anna Karolína Schmiedlová (semifinals)

## 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 |
| 8 | Anna Karolína Schmiedlová | 2 | 4 | | | |
| | Marta Kostyuk | 6 | 6 | | | |
| | Marta Kostyuk | 6 | 6 | Marta Kostyuk | 2 | 4 |
| | | | | Maryna Zanevska | 6 | 6 |
| | Maryna Zanevska | 7 | 6 | Maryna Zanevska | 6 | 6 |
| | Anna Kalinskaya | 5 | 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 | Semifinals | Semifinals | Semifinals | Semifinals |
| 1 | D Allertová | 6 | 1 | 3 | | | | | | | | | | | | | |
| | V Diatchenko | 3 | 6 | 6 | | V Diatchenko | 6$^1$ | 7$^7$ | 6 | | | | | | | | |
| WC | X Jiang | 0 | 2 | | | L Kerkhove | 7$^7$ | 6$^3$ | 2 | | | | | | | | |
| | L Kerkhove | 6 | 6 | | | | | | | | V Diatchenko | 3 | 3 | | | | |
| Q | A Gai | 6$^6$ | 6$^2$ | | | | | | | 8 | AK Schmiedlová | 6 | 6 | | | | |
| | P Monova | 7$^8$ | 7$^7$ | | | P Monova | 0 | 3 | | | | | | | | | |
| WC | Q Tang | 0 | 2 | | 8 | AK Schmiedlová | 6 | 6 | | | | | | | | | |
| 8 | AK Schmiedlová | 6 | 6 | | | | | | | | | | | 8 | AK Schmiedlová | 2 | 4 |
| 3 | L Kumkhum | 4 | 5 | | | | | | | | | | | | M Kostyuk | 6 | 6 |
| | J Paolini | 6 | 7 | | | J Paolini | 4 | 5 | | | | | | | | | |
| | D Jakupović | 3 | 7$^7$ | 3 | | D Jakupović | 6 | 7 | | | | | | | | | |
| | A Cadanțu | 6 | 6$^5$ | 0$^r$ | | | | | | | D Jakupović | 3 | 5 | | | | |
| | M Kostyuk | 7$^7$ | 6 | | | | | | | | M Kostyuk | 6 | 7 | | | | |
| Q | U Radwańska | 6$^3$ | 2 | | | M Kostyuk | 6 | 6 | | | | | | | | | |
| Q | F Xun | 6 | 6 | | Q | F Xun | 1 | 2 | | | | | | | | | |
| 6 | D Kovinić | 3 | 4 | | | | | | | | | | | | | | |

### Bottom 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 |
| LL | S Feng | 4 | 5 | | | | | | | | | | | | | |
| | L Cabrera | 6 | 7 | | | L Cabrera | 3 | 3 | | | | | | | | |
| Q | J Pieri | 4 | 0$^r$ | | | M Zanevska | 6 | 6 | | | | | | | | |
| | M Zanevska | 6 | 1 | | | | | | | M Zanevska | 4 | 7$^7$ | 6 | | | |
| | D Chiesa | 6 | 6 | | | | | | 4 | V Kužmová | 6 | 6$^5$ | 0 | | | |
| | V Grammatikopoulou | 1 | 2 | | | D Chiesa | 1 | 2 | | | | | | | | |
| WC | Y Yuan | 4 | 1 | | 4 | V Kužmová | 6 | 6 | | | | | | | | |
| 4 | V Kužmová | 6 | 6 | | | | | | | | | | | M Zanevska | 7 | 6 |
| 7 | M Kato | 2 | 2 | | | | | | | | | | | A Kalinskaya | 5 | 4 |
| | A Blinkova | 6 | 6 | | | A Blinkova | 4 | 2 | | | | | | | | |
| | A Kalinskaya | 7$^7$ | 6 | | | A Kalinskaya | 6 | 6 | | | | | | | | |
| | F Liu | 6$^4$ | 3 | | | | | | | A Kalinskaya | 6 | 6 | | | | |
| WC | X Gao | 2 | 6$^1$ | | | | | | | D Aiava | 4 | 4 | | | | |
| | Jin Lu | 6 | 7$^7$ | | | Jin Lu | 4 | 4 | | | | | | | | |
| | D Aiava | 6 | 2 | 6 | | D Aiava | 6 | 6 | | | | | | | | |
| 2 | N Hibino | 3 | 6 | 3 | | | | | | | | | | | | |