
While the world junior No 1 progressed, two compatriots were shown exits. Kanyapat Narattana, despite serving for the second set at 5-3, lost to Wimbledon champion Laurna Robson 3-6 6-7 (0-7).
The other Thai Nicha Lertpitaksinchai, a qualifier, was sent packing by Russian Victoria Kamenskaya 4-6 1-6.