Usia: 27 tahun
Tinggi Badan: 185 cm
Ranking BWF: 31
Prestasi Sitthikom Thammasin
- Juara Singapore International 2012
- Juara Smiling Fish International 2013
- Medali Perak Asian Junior Championships 2013
- Runner Up Indonesia International 2017
- Juara Tata Open India International 2017
- Juara Akita Masters 2018