Bae, who led from start to finish, had a four-shot advantage entering the final round. He won his first Asian Tour title with a 17-under 271 at BA Vista Country Club, outside of Seoul.
Australian Aaron Baddeley shot a 68 to share second with South Korean Kim Hyung-tae (69). American Bryan Saltus shot a 71 and finished 12 shots off the leader.
'It's great to win, and to do so at home is doubly fantastic,' said Bae, whose mother caddied for him and said she'd quit if he won a tournament this year.
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