Choi earned his place in the showdown following convincing wins over China’s Xu Jie in the semi-final, as well as fellow SAR teammate Lawrence Ng in the last eight.
The win is another confidence boost for 27-year-old Choi, who last month struck gold in the FIE Grand Prix Foil in Shanghai – his first international title.
Reigning Olympic champion, Edgar Cheung, meanwhile, missed out on the chance to reclaim his regional crown – as he secured bronze in a tightly-contested semi-final.