The 2020 Thailand Open (also known as the GSB Thailand Open presented by E@ for sponsorship reasons) was a Women's Tennis Association (WTA) tournament played on outdoor hard courts. It was the 2nd edition of the Hua Hin Championships as part of the WTA International tournaments of the 2020 WTA Tour. It took place at the True Arena Hua Hin in Hua Hin, Thailand, from 10 February to 16 February 2020.[1]
| Event | W | F | SF | QF | Round of 16 | Round of 32 | width=85 | Q | width=85 | Q2 | width=85 | Q1 |
| Singles | 280 | 180 | 110 | 60 | 30 | 1 | 18 | 12 | 1 | |||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Doubles | 1 |
| width=130 bgcolor=dfe2e9 | Event | width=80 bgcolor=lime | W | width=85 bgcolor=thistle | F | width=85 bgcolor=ffff00 | SF | width=85 bgcolor=ffebcd | QF | width=85 bgcolor=afeeee | Round of 16 | width=85 bgcolor=afeeee | Round of 32 | width=85 | Q2 | width=85 | Q1 |
| style=background:#ededed | Women's singles | $43,000 | $21,400 | $11,600 | $6,275 | $3,600 | $2,300 | $1,685 | $1,100 | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| style=background:#ededed | Women's doubles | $12,300 | $6,400 | $3,435 | $1,820 | $960 |
| Country | Player | Rank1 | Seed | |
|---|---|---|---|---|
| Elina Svitolina | 4 | 1 | ||
| Petra Martić | 15 | 2 | ||
 China | Wang Qiang | 27 | 3 | |
| China | Zheng Saisai | 36 | 4 | |
 Poland | Magda Linette | 42 | 5 | |
| China | Wang Yafan | 56 | 6 | |
| China | Zhu Lin | 70 | 7 | |
 Japan | Nao Hibino | 84 | 8 |
The following players received wildcards into the singles main draw:
The following player received protected rankings into the singles main draw:
The following players received entry from the qualifying draw:
The following player received entry as a lucky loser:
Paula Badosa → replaced by Yuan Yue
Eugenie Bouchard[2] → replaced by 
Peangtarn Plipuech
Priscilla Hon → replaced by Bibiane Schoofs
Natalija Kostić Maddison Inglis → replaced by Arina Rodionova
Danka Kovinić → replaced by 
Ankita Raina
Barbora Krejčiková → replaced by 
Chloé Paquet You Xiaodi Samantha Stosur → replaced by Han Xinyun
Dayana Yastremska → replaced by Wang Xinyu| Country | Player | Country | Player | Rank1 | Seed | |
|---|---|---|---|---|---|---|
| Japan | Nao Hibino | Japan | Miyu Kato | 146 | 1 | |
| China | Peng Shuai | China | Wang Yafan | 149 | 3 | |
| Japan | Eri Hozumi | Japan | Makoto Ninomiya | 170 | 4 | |
| Australia | Arina Rodionova | Australia | Storm Sanders | 183 | 4 |
The following pairs received wildcards into the doubles main draw:
See main article: 2020 Thailand Open – Singles.
Magda Linette def. Leonie Küng 6–3, 6–2See main article: 2020 Thailand Open – Doubles.
Arina Rodionova / Storm Sanders def. 
Barbara Haas / Ellen Perez 6–3, 6–3
