[5] With the intention to compete full time, she withdrew from her placing at Nanyang Technological University (NTU) and joined the national team at the age of 18 to pursue her badminton dream.

[6] Tan won her first senior title at the 2014 Singapore International tournament in the mixed doubles event partnered with Terry Hee.

[10] In January, Tan won her first Super 500 title with Hee, at the India Open, defeating the Malaysian pairing of Chen Tang Jie and Peck Yen Wei in the final, 21–15, 21–18 in straight games.

Their opponents in the final were England's Marcus Ellis and Lauren Smith, who were playing on home soil and were ranked higher than them.

[14] Tan has been married to fellow Singaporean shuttler Terry Hee since 2021, who she had often partnered with at mixed doubles tournaments since the start of her professional career.

[15] Their victory at the 2021 Czech Open, defeating Russians Lev Barinov and Anastasiia Boiarun, was their first tournament as a married duo.