# 2018 OEC Taipei WTA Challenger – Singles

Belinda Bencic was the defending champion, but chose to compete in Houston instead.
Luksika Kumkhum won the title, defeating Sabine Lisicki 6–1, 6–3 in the final.

## Seeds

* Zheng Saisai (withdrew)
* Luksika Kumkhum (champion)
* Margarita Gasparyan (withdrew)
* Zhu Lin (quarterfinals)
* Nao Hibino (quarterfinals)
* Vitalia Diatchenko (semifinals)
* Sabina Sharipova (first round)
* Misaki Doi (first round)

## Main 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 |
| WC | Sabine Lisicki | 1 | 6 | 7 | | | | |
| 6 | Vitalia Diatchenko | 6 | 3 | 5 | | | | |
| 6 | Vitalia Diatchenko | 6 | 3 | 5 | WC | Sabine Lisicki | 1 | 3 |
| | | | | | 2 | Luksika Kumkhum | 6 | 6 |
| | Bibiane Schoofs | 5 | 3 | | 2 | Luksika Kumkhum | 6 | 6 |
| 2 | Luksika Kumkhum | 7 | 6 | | | | | |

### 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 |
| LL | K-y Ng | 2 | 2 | | | | | | | | | | | | | | | |
| | V Grammatikopoulou | 6 | 6 | | | V Grammatikopoulou | 3 | 1 | | | | | | | | | | |
| | B Haas | 6 | 0 | 3 | WC | E-s Liang | 6 | 6 | | | | | | | | | | |
| WC | E-s Liang | 3 | 6 | 6 | | | | | | WC | E-s Liang | 4 | 0 | | | | | |
| | M Fręch | 4 | 3 | | | | | | | WC | S Lisicki | 6 | 6 | | | | | |
| | E Rybakina | 6 | 6 | | | E Rybakina | 4 | 3 | | | | | | | | | | |
| WC | S Lisicki | 6 | 6 | | WC | S Lisicki | 6 | 6 | | | | | | | | | | |
| 8 | M Doi | 3 | 2 | | | | | | | | | | | WC | S Lisicki | 1 | 6 | 7 |
| 4 | L Zhu | 2 | 6 | 6 | | | | | | | | | | 6 | V Diatchenko | 6 | 3 | 5 |
| | J Teichmann | 6 | 3 | 2 | 4 | L Zhu | 6 | 4 | 6 | | | | | | | | | |
| | D Kovinić | 6 | 6 | | | D Kovinić | 1 | 6 | 3 | | | | | | | | | |
| WC | L Zhang | 3 | 1 | | | | | | | 4 | L Zhu | 1 | 0 | | | | | |
| Q | Y Zhang | 6 | 6 | | | | | | | 6 | V Diatchenko | 6 | 6 | | | | | |
| | Jia Lu | 3 | 2 | | Q | Y Zhang | 7 | 3 | 2 | | | | | | | | | |
| | P Hon | 2 | 4 | | 6 | V Diatchenko | 5 | 6 | 6 | | | | | | | | | |
| 6 | V Diatchenko | 6 | 6 | | | | | | | | | | | | | | | |

### Bottom half

| First round | First round | First round | First round | Second round | Second round | Second round | Second round | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Semifinals | Semifinals | Semifinals | Semifinals |
| 7 | S Sharipova | 0 | 2 | | | | | | | | | | | | |
| | I Jorović | 6 | 6 | | I Jorović | 1 | 6$^5$ | | | | | | | | |
| Q | E-G Ruse | 4 | 5 | Q | T Martincová | 6 | 7$^7$ | | | | | | | | |
| Q | T Martincová | 6 | 7 | | | | | Q | T Martincová | 6$^3$ | 0$^r$ | | | | |
| | B Schoofs | 6 | 6 | | | | | | B Schoofs | 7$^7$ | 3 | | | | |
| | C Zhao | 3 | 2 | | B Schoofs | 6 | 6 | | | | | | | | |
| | F Xun | 7$^9$ | 7$^7$ | | F Xun | 4 | 2 | | | | | | | | |
| | Y Duan | 6$^7$ | 6$^5$ | | | | | | | | | | B Schoofs | 5 | 3 |
| 5 | N Hibino | 7$^8$ | 6 | | | | | | | | | 2 | L Kumkhum | 7 | 6 |
| | A Raina | 6$^6$ | 1 | 5 | N Hibino | 6 | 6 | | | | | | | | |
| | S Celik | 2 | 1 | Q | S-j Jang | 4 | 3 | | | | | | | | |
| Q | S-j Jang | 6 | 6 | | | | | 5 | N Hibino | 3 | 1 | | | | |
| WC | J Garland | 4 | 2 | | | | | 2 | L Kumkhum | 6 | 6 | | | | |
| LL | L Cabrera | 6 | 6 | LL | L Cabrera | 3 | 4 | | | | | | | | |
| | X Han | 3 | 4 | 2 | L Kumkhum | 6 | 6 | | | | | | | | |
| 2 | L Kumkhum | 6 | 6 | | | | | | | | | | | | |

## Qualifying
### Seeds

* Ayano Shimizu (first round)
* Karman Thandi (qualifying competition)
* Jang Su-jeong (qualified)
* Xun Fangying (moved to main draw)
* Tereza Martincová (qualified)
* Zhang Yuxuan (qualified)
* Mayo Hibi (first round)
* Lizette Cabrera (qualifying competition, lucky loser)

### Qualifiers

* Tereza Martincová
* Zhang Yuxuan
* Jang Su-jeong
* Elena-Gabriela Ruse

### Lucky losers

* Lizette Cabrera
* Ng Kwan-yau

### Qualifying draw
#### First qualifier

| First round | First round | First round | First round | Qualifying competition | Qualifying competition | Qualifying competition | Qualifying competition |
| 1 | Ayano Shimizu | 4 | 4 | | | | |
| | Lee Ya-hsuan | 6 | 6 | | | | |
| | Lee Ya-hsuan | 6 | 6 | | Lee Ya-hsuan | 3 | 0 |
| | | | | 5 | Tereza Martincová | 6 | 6 |
| | Zhang Kailin | 4 | 4 | 5 | Tereza Martincová | 6 | 6 |
| 5 | Tereza Martincová | 6 | 6 | | | | |

#### Second qualifier

| First round | First round | First round | First round | Qualifying competition | Qualifying competition | Qualifying competition | Qualifying competition |
| 2 | Karman Thandi | 6 | 6 | | | | |
| WC | Ng Kwan-yau | 4 | 4 | | | | |
| WC | Ng Kwan-yau | 4 | 4 | 2 | Karman Thandi | 2 | 2 |
| | | | | 6 | Zhang Yuxuan | 6 | 6 |
| WC | Yang Ya-yi | 0 | 1 | 6 | Zhang Yuxuan | 6 | 6 |
| 6 | Zhang Yuxuan | 6 | 6 | | | | |

#### Third qualifier

| First round | First round | First round | First round | Qualifying competition | Qualifying competition | Qualifying competition | Qualifying competition |
| 3 | Jang Su-jeong | 6 | 6 | | | | |
| | Momoko Kobori | 1 | 4 | | | | |
| | Momoko Kobori | 1 | 4 | 3 | Jang Su-jeong | 6 | 6 |
| | | | | 8 | Lizette Cabrera | 4 | 4 |
| | Junri Namigata | 4 | 3 | 8 | Lizette Cabrera | 4 | 4 |
| 8 | Lizette Cabrera | 6 | 6 | | | | |

#### Fourth qualifier

| First round | First round | First round | First round | First round | Qualifying competition | Qualifying competition | Qualifying competition |
| Alt | Peangtarn Plipuech | 2 | 3 | | | | |
| | Olga Doroshina | 6 | 6 | | | | |
| | Olga Doroshina | 6 | 6 | | Olga Doroshina | 5 | 5 |
| | | | | | Elena-Gabriela Ruse | 7 | 7 |
| | Elena-Gabriela Ruse | 7$^7$ | 2 | 6 | Elena-Gabriela Ruse | 7 | 7 |
| 7 | Mayo Hibi | 6$^4$ | 6 | 4 | | | |