Former Kotoko defender Joseph Hendricks scored for his Vietnamese side Kien Giang in the 4-2 defeat at Thanh Hoa on Saturday.
The centre-back reduced the deficit three minutes after the half-time interval to make it 2-1.
But Kien Giang went on to concede two goals from Nguyen Vu Hoang Duong and Senegalese Abass Cheikh Dieng.
But Nguyen Tuan Hiep scored a consolation in the 94th minute.
Hendericks, 34, has made six appearances this season and scored two goals.