2019 Thailand Open (tennis)

The 2019 Thailand Open, sponsored by Toyota, was a tennis tournament played on outdoor hard courts. It was the 1st edition of the Hua Hin Championships as part of the WTA International tournaments of the 2019 WTA Tour. It took place at the True Arena Hua Hin in Hua Hin, Thailand, from 28 January 2019 to 3 February 2019.

This tournament replaced the Taiwan Open on the WTA Tour.

Seeds

 * 1 Rankings as of January 14, 2019.

Other entrants
The following players received wildcards into the singles main draw:
 * 🇫🇷 Caroline Garcia
 * 🇩🇪 Sabine Lisicki
 * 🇨🇳 Peng Shuai

The following players received entry from the qualifying draw:
 * 🇺🇸 Jennifer Brady
 * 🇨🇳 Duan Yingying
 * 🇦🇺 Priscilla Hon
 * 🇫🇷 Chloé Paquet
 * Conny Perrin
 * Arantxa Rus

Withdrawals

 * Before the tournament
 * 🇷🇴 Mihaela Buzărnescu → replaced by 🇷🇺 Anna Blinkova
 * 🇰🇿 Zarina Diyas → replaced by 🇺🇦 Kateryna Kozlova
 * 🇺🇸 Bethanie Mattek-Sands → replaced by 🇷🇴 Monica Niculescu
 * 🇨🇳 Wang Qiang → replaced by 🇱🇺 Mandy Minella

Retirements

 * 🇭🇺 Tímea Babos (dizziness)
 * 🇨🇳 Zhang Shuai (illness)

Seeds

 * 1 Rankings as of January 14, 2019

Other entrants
The following pairs received wildcards into the doubles main draw:
 * 🇩🇪 Sabine Lisicki / 🇦🇺 Ajla Tomljanović
 * 🇹🇭 Nudnida Luangnam / 🇹🇭 Peangtarn Plipuech

Singles

 * 🇺🇦 Dayana Yastremska def. 🇦🇺 Ajla Tomljanović, 6–2, 2–6, 7–6(7–3).

Doubles

 * 🇷🇴 Irina-Camelia Begu / 🇷🇴 Monica Niculescu def. 🇷🇺 Anna Blinkova / 🇨🇳 Wang Yafan, 2–6, 6–1, [12–10].