Top seed Son Wan Ho advanced to the second round of the SCG Thailand Open in Bangkok on Tuesday.
The South Korean was forced to work hard for the win, but eventually overcame Riichi Takeshita 21-16, 28-26.
The Japanese hopeful ran out to an 11-5 lead before Wan Ho turned on the class to win the first game. Takeshita again had a lead in the second game, but the top seed rallied to edge him in the end.
The win sees Wan Ho book a place in round two where he faces Kenta Nishimoto.
In other results, second seed Hu Yun from Hong Kong eased past American Sattawat Pongnairat 21-14, 21-15.
Fourth seed Lee Hyun Il battled back from a game down to defeat Muhammed Bayu Pangisthu 19-21, 21-12, 21-16.