# 2020 Thailand Open – Singles

Dayana Yastremska was the defending champion, but withdrew before the tournament began.
Magda Linette won the title, defeating Leonie Küng in the final, 6–3, 6–2.

## Seeds

* Elina Svitolina (quarterfinals)
* Petra Martić (first round)
* Wang Qiang (quarterfinals)
* Zheng Saisai (quarterfinals)
* Magda Linette (champion)
* Wang Yafan (first round)
* Zhu Lin (second round)
* Nao Hibino (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 | Semifinals | Final | Final | Final | Final |
| 8 | Nao Hibino | 5 | 6 | 3 | | | | |
| Q | Leonie Küng | 7 | 4 | 6 | | | | |
| Q | Leonie Küng | 7 | 4 | 6 | Q | Leonie Küng | 3 | 2 |
| | | | | | 5 | Magda Linette | 6 | 6 |
| | Patricia Maria Țig | 5 | 4 | | 5 | Magda Linette | 6 | 6 |
| 5 | Magda Linette | 7 | 6 | | | | | |

### 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 | E Svitolina | 6 | 6 | | | | | | | | | | | | | | | |
| | B Schoofs | 2 | 4 | | 1 | E Svitolina | 6 | 6 | | | | | | | | | | |
| Q | U Eikeri | 3 | 4 | | Q | S Sanders | 1 | 2 | | | | | | | | | | |
| Q | S Sanders | 6 | 6 | | | | | | 1 | E Svitolina | 4 | 2 | | | | | | |
| LL | P Plipuech | 7$^7$ | 3 | 6 | | | | | 8 | N Hibino | 6 | 6 | | | | | | |
| | C Paquet | 6$^3$ | 6 | 4 | LL | P Plipuech | 0 | 1 | | | | | | | | | | |
| | Ar Rodionova | 6$^5$ | 5 | | 8 | N Hibino | 6 | 6 | | | | | | | | | | |
| 8 | N Hibino | 7$^7$ | 7 | | | | | | | | | | | 8 | N Hibino | 5 | 6 | 3 |
| 3/WC | Q Wang | 6 | 6 | | | | | | | | | | | Q | L Küng | 7 | 4 | 6 |
| | X Han | 1 | 1 | | 3/WC | Q Wang | 6 | 6 | | | | | | | | | | |
| | K Kawa | 3 | 6 | 6 | | K Kawa | 3 | 4 | | | | | | | | | | |
| | A Raina | 6 | 0 | 1 | | | | | 3/WC | Q Wang | 5 | 6 | 4 | | | | | |
| WC | P Cheapchandej | 0 | 3 | | | | | | Q | L Küng | 7 | 4 | 6 | | | | | |
| Q | L Küng | 6 | 6 | | Q | L Küng | 6 | 6 | | | | | | | | | | |
| | V Flink | 4 | 2 | | 7 | L Zhu | 3 | 1 | | | | | | | | | | |
| 7 | L Zhu | 6 | 6 | | | | | | | | | | | | | | | |

### 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 | Semifinals |
| 6 | Y Wang | 1 | 6 | 6$^5$ | | | | | | | | | | | | | |
| | PM Țig | 6 | 1 | 7$^7$ | | PM Țig | 6 | 6 | | | | | | | | | |
| | X You | 7$^7$ | 6 | | | X You | 1 | 3 | | | | | | | | | |
| Q | E Perez | 6$^4$ | 2 | | | | | | | PM Țig | 6 | 6 | | | | | |
| | Xin Wang | 3 | 0 | | | | | | 4 | S Zheng | 4 | 2 | | | | | |
| Q | E-s Liang | 6 | 6 | | Q | E-s Liang | 4 | 3 | | | | | | | | | |
| | N Kostić | 6$^6$ | 0 | | 4 | S Zheng | 6 | 6 | | | | | | | | | |
| 4 | S Zheng | 7$^8$ | 6 | | | | | | | | | | | | PM Țig | 5 | 4 |
| 5 | M Linette | 6 | 6 | | | | | | | | | | | 5 | M Linette | 7 | 6 |
| PR | K Bondarenko | 2 | 2 | | 5 | M Linette | 7 | 6 | | | | | | | | | |
| | S Peng | 6 | 6 | | | S Peng | 5 | 1 | | | | | | | | | |
| | Y Yuan | 1 | 0 | | | | | | 5 | M Linette | 2 | 6 | 6 | | | | |
| | B Haas | 3 | 7 | 6 | | | | | | Xiy Wang | 6 | 3 | 3 | | | | |
| Q | C Muramatsu | 6 | 5 | 3 | | B Haas | 3 | 4 | | | | | | | | | |
| | Xiy Wang | 6 | 6 | | | Xiy Wang | 6 | 6 | | | | | | | | | |
| 2/WC | P Martić | 3 | 4 | | | | | | | | | | | | | | |

## Qualifying
### Seeds

* Xun Fangying (qualifying competition)
* Chihiro Muramatsu (qualified)
* Liang En-shuo (qualified)
* Ulrikke Eikeri (qualified)
* Ellen Perez (qualified)
* Peangtarn Plipuech (qualifying competition, lucky loser)
* Leonie Küng (qualified)
* Storm Sanders (qualified)
* Eri Hozumi (first round)
* Junri Namigata (first round)
* Nudnida Luangnam (first round)
* Riya Bhatia (qualifying competition)

### Qualifiers

* Leonie Küng
* Chihiro Muramatsu
* Liang En-shuo
* Ulrikke Eikeri
* Ellen Perez
* Storm Sanders

### Lucky loser

* Peangtarn Plipuech

### Qualifying draw
#### First qualifier

| First round | First round | First round | First round | Qualifying competition | Qualifying competition | Qualifying competition | Qualifying competition |
| 1 | Xun Fangying | 6 | 6 | | | | |
| | Zhang Ying | 2 | 2 | | | | |
| | Zhang Ying | 2 | 2 | 1 | Xun Fangying | 4 | 3 |
| | | | | 7 | Leonie Küng | 6 | 6 |
| WC | Yanin Wisitwarapron | 0 | 1 | 7 | Leonie Küng | 6 | 6 |
| 7 | Leonie Küng | 6 | 6 | | | | |

#### Second qualifier

| First round | First round | First round | First round | First round | Qualifying competition | Qualifying competition | Qualifying competition | Qualifying competition | Qualifying competition |
| 2 | Chihiro Muramatsu | 3 | 6 | 6 | | | | | |
| WC | Mananchaya Sawangkaew | 6 | 0 | 3 | | | | | |
| WC | Mananchaya Sawangkaew | 6 | 0 | 3 | 2 | Chihiro Muramatsu | 5 | 7 | 6 |
| | | | | | | Lucrezia Stefanini | 7 | 5 | 3 |
| | Lucrezia Stefanini | 6 | 6 | | | Lucrezia Stefanini | 7 | 5 | 3 |
| 9 | Eri Hozumi | 3 | 1 | | | | | | |

#### Third qualifier

| First round | First round | First round | First round | First round | Qualifying competition | Qualifying competition | Qualifying competition | Qualifying competition |
| 3 | Liang En-shuo | 6 | 6 | | | | | |
| | Panna Udvardy | 1 | 3 | | | | | |
| | Panna Udvardy | 1 | 3 | | 3 | Liang En-shuo | 7 | 6 |
| | | | | | | Akgul Amanmuradova | 5 | 1 |
| | Akgul Amanmuradova | 1 | 6 | 6 | | Akgul Amanmuradova | 5 | 1 |
| 10 | Junri Namigata | 6 | 3 | 2 | | | | |

#### Fourth qualifier

| First round | First round | First round | First round | Qualifying competition | Qualifying competition | Qualifying competition | Qualifying competition |
| 4 | Ulrikke Eikeri | 7$^7$ | 6 | | | | |
| WC | Punnin Kovapitukted | 6$^1$ | 1 | | | | |
| WC | Punnin Kovapitukted | 6$^1$ | 1 | 4 | Ulrikke Eikeri | 6 | 6 |
| | | | | | Sarah Beth Grey | 2 | 3 |
| | Sarah Beth Grey | 7$^7$ | 6 | | Sarah Beth Grey | 2 | 3 |
| 11 | Nudnida Luangnam | 6$^5$ | 4 | | | | |

#### Fifth qualifier

| First round | First round | First round | First round | First round | Qualifying competition | Qualifying competition | Qualifying competition | Qualifying competition |
| 5 | Ellen Perez | 6 | 6 | | | | | |
| WC | Ng Kwan-yau | 3 | 2 | | | | | |
| WC | Ng Kwan-yau | 3 | 2 | | 5 | Ellen Perez | 6 | 6 |
| | | | | | 12 | Riya Bhatia | 0 | 1 |
| | Eden Silva | 1 | 6 | 2 | 12 | Riya Bhatia | 0 | 1 |
| 12 | Riya Bhatia | 6 | 4 | 6 | | | | |

#### Sixth qualifier

| First round | First round | First round | First round | First round | Qualifying competition | Qualifying competition | Qualifying competition | Qualifying competition | Qualifying competition |
| 6 | Peangtarn Plipuech | 3 | 6 | 6 | | | | | |
| | Nagi Hanatani | 6 | 0 | 3 | | | | | |
| | Nagi Hanatani | 6 | 0 | 3 | 6 | Peangtarn Plipuech | 7 | 3 | 2 |
| | | | | | 8 | Storm Sanders | 5 | 6 | 6 |
| | Moyuka Uchijima | 6 | 6$^1$ | 5 | 8 | Storm Sanders | 5 | 6 | 6 |
| 8 | Storm Sanders | 4 | 7$^7$ | 7 | | | | | |