Yang Jong Won set the early pace with 275, 249 and 220 in his first three games to lead second perfect gamer, Pak Kyung Rok by 20 pins. 2018 Thailand Open second runner-up, Han Jae Hyeon was third with Lee in fourth.
Pak moved into the lead past the halfway mark with 227 as Yang managed only 200. Han, Kim Jun Seong and Lee kept a close third to fifth positions. Another strong game of 238 in the fifth allowed Pak to remain in the lead.
Lee fired a sizzling 279 to move into second spot and reduce the gap to just 3 pins. But it was Lee who ended the 8-game finals with 236, 264 and 213 to take victory with 1899. Pak, who was trailing by 53 pins before the final game posted a stunning 278 to seal second spot with 1894, only 5 pins adrift.
Han knocked down back-to-back 258 and ended with 227 to clinch third position with 1860. Early pace-setter Jang finished a distant fourth with 1770 while Jo Young Bin rounded out the top 5 with 1709.