Kim carded a two-under-par 69 on the Serapong Course while Sadom fired a 65 to join the lead on 11 under in the final event of the 2020-21 season on the Asian Tour.
Joohyung Kim, the 19-year-old Korean who currently leads the Asian Tour Order of Merit, returned a 69 and is in solo possession of third, three strokes back.