Playing career
Born in Chiang Mai in 1991, Lertcheewakarn became the first Thai player to reach No. 1 in the ITF junior rankings, in 2008, and was that year's ITF girls' world champion. As a junior she won the Wimbledon girls' singles in 2009 and three major girls' doubles titles: the US Open in 2008 and Roland Garros and Wimbledon in 2009. She turned professional in June 2009 and won five ITF singles and eight ITF doubles titles, reaching No. 149 in singles and No. 97 in doubles in 2011. For Thailand she won a bronze medal in the team event at the 2010 Asian Games and gold medals at the Southeast Asian Games in 2011 and 2015. She played her last match in August 2017, and in 2018 was reported to be training as a police officer.
On grass