In December 2015, she finished tied for 15th place at the final stage LPGA Qualifying Tournament to earn LPGA Membership for the 2016 season.

On 23 September 2016, Thanapolboonyaras claimed her first ALPG Tour win at the Thailand LPGA Masters which was co-sanctioned by the Thai LPGA Tour.

[4] In 2017, she was on the top of the Ladies Asian Golf Tour money list.

In 2018, Thanapolboonyaras played 23 events on the LPGA Tour and made nine cuts.

[5] Source:[6] ^ Co-sanctioned by the Thai LPGA Tour † Co-sanctioned by the ALPG Tour Results not in chronological order before 2019 CUT = missed the half-way cut NT = no tournament "T" = tied