DAEJEON, South Korea, July 20 (Xinhua) – A unified mixed doubles duo of South Korea and the Democratic People's Republic of Korea (DPRK) will face a Chinese duo in the 2018 Seamaster Mixed Doubles final International Tournament of the International Table Tennis Federation (ITTF) Platinum Korea Open.
Jang Woo-jin and Cha Hyo Sim of South Korea beat Chen Chien-An and Cheng I-Ching of Chinese Taipei 4-1 (6-11, 11-5, 14-16, 11-6, 11 -4) in semifinal
The unified duo's victory was all the more surprising as they had been training together for a few days before their triumph over seeds # 4. Korean will now face Chinese Wang Chuqin and Sun Yingsha in Saturday's final. Wang and Sun showed an impressive form by beating local favorites Lim Jong-hoon and Yang Hae-a 3-1 (11-9, 12-14, 11-9, 11-6) in the semi-final.
Elsewhere, Lee Sang-su of South Korea and Pak Sin Hyok of the DPRK reserved their place in the semifinals of the men's doubles by beating one of the most powerful duos in China  The Chinese Liang Jinkun and Yan An 3-2 (11-9, 13-11, 3-11, 4-11, 11-7) in a fiercely contested duel.
Meanwhile, the Chinese Wang Chuqin and Xue Fei fought the semi-finals of the men's doubles event by beating seeded No. 8 Lam Siu Hang and Hong Kong's Ng Pak Nam, China, 3-0 (11-9, 11-9, 11-6).
Wang and Xue Jang Woo-jin and Lim Jong-hoon, who dominated third-seeded Koki Niwa and Jin Ueda of Japan in the quarter-finals.
The Korea Open began Tuesday in Daejeon, about 160 km south of the capital Seoul, and lasts until Sunday, with about 230 p layers of 27 countries and regions participating.