Varatchaya Wongteanchai

Varatchaya "Pias" Wongteanchai (วรัชญา วงค์เทียนชัย; born 7 September 1989) is a former professional tennis player from Thailand.

In her career, she won two doubles titles on the WTA Tour, with four singles titles and 31 doubles titles on the ITF Women's Circuit. On 20 July 2015, she reached her best singles ranking of world No. 200. On 12 September 2016, she peaked at No. 77 in the doubles rankings.

Playing for Thailand Fed Cup team, Wongteanchai has accumulated a win–loss record of 10–6.

Her younger sister Varunya Wongteanchai is also a tennis professional.

Career
In February 2012, Wongteanchai made her WTA Tour main-draw debut at her home tournament, the Pattaya Open. She qualified for the main draw by defeating Hsu Wen-hsin in three, and Misa Eguchi in straight sets. She then faced top-seed Vera Zvonareva in the first round but lost in two sets by 2–6, 5–7. She also partnered her younger sister Varunya in the doubles event, but they lost in the quarterfinals.

In 2013, Wongteanchai started her year by winning a title at the Blossom Cup. It was her most important title so far. She was then awarded a wildcard into the Pattaya Open, where she defeated Annika Beck 6–3, 6–3 but lost to Marina Erakovic in the second round. In the doubles event, Wongteanchai partnered with her sister Varunya. In the first round, they defeated the third seeds Chan Yung-jan and Chan Hao-ching as well as Irina Buryachok and Valeria Solovyeva. They then lost to Akgul Amanmuradova and Alexandra Panova in the semifinals. She also played in the qualifying event of the 2013 Roland Garros but lost to Grace Min in the first round.