Meechai turned professional in 2010. On 25 May 2013, she set the new
China LPGA Tour record for low round, with a round of 9-under-par 63, to collect her first international victory at the 2013 Beijing Challenge. Meechai captured her first career
Taiwan LPGA Tour win at the 2015 Yeangder TLPGA Open, outlasted compatriot
Mind Muangkhumsakul in the first playoff hole. In December 2015, she finished tied for 22nd at the final stage
LPGA Qualifying Tournament to earn
LPGA Membership for the 2016 season. In 2016, Meechai recorded nine top-10 finishes, including three runner-ups, in her first season playing in the United States to finish fourth on the
Symetra Tour money list to earn LPGA membership for the 2017 season. On 23 May 2021, Meechai recorded her career-best LPGA Tour finish when she tied for fifth place at the 2021
Pure Silk Championship in Virginia. She subsequently recorded her then highest finish in a
major championship in June 2021, tying for 12th place in the
2021 Women's PGA Championship. In June 2024, Meechai recorded a new personal best finish at a major, tying for 6th place at the
2024 U.S. Women's Open. She has also won more prize money during the 2024 season than any previous season of her career, having earned over $700,000. == Professional wins (5) ==