Playing her first match since being sidelined by injuries sustained in winning the World Championships title in August, the 19-year-old showed no sign of fitness problems as she cruised through her comeback test. She was to take on Kristina Gavnholt of the Czech Republic late last night.
Porntip Buranaprasertsuk failed to emulate compatriot Ratchanok, going out 21-10 13-21 21-17 to Wang Xin of China in the first round.
Thai women’s doubles teams fared better, with seventh seed Duanganong Aroonkesorn and Kunchala Voravichitchaikul beating Danes Camilla Martens and Mia Sejr Nielsen 21-17 21-13, and Savitree Amitrapai and Narissapat Lam thrashing Bergstein Iben and Dam Larsen Zenia of Denmark 21-6 21-6 for their places in round two.