The defeat came a week after they went down to France 3-0 in another friendly game in Orleans, one of their three warm-ups for the Cup.
The Kingdom’s team lost two goals in the first half and four more in the second before 32-year-old Kanjana Sungngoen stopped the bleeding during the injury-time.
The Nuengrutai Srathongvian’s team will play their last World Cup build-up match against Kontich FC in Belgium on June 4.