Female player Vu Thi Trang slid four places to World No 51. Minh and Trang didn’t compete in any recent international tournaments to gain points.
They are set to compete in the Ciputra Hanoi-Yonex Sunrise Vietnam International Challenge at Cau Giay Gymnasium.
Olympian Minh is the No 1 seed at the tournament, while Trang is seeded No 2 in women’s singles.