2018 Korea Open (table tennis)

The 2018 Korea Open was the seventh event of the 2018 ITTF World Tour. The event was organised by the Korea Table Tennis Association, under the authority of the International Table Tennis Federation (ITTF). It was the fourth of six top-tier Platinum events on the tour, and took place from 19–22 July in Daejeon, South Korea.

South Korea's Jang Woo-jin won the men's singles, men's doubles and mixed doubles titles, becoming the first player in the history of the ITTF World Tour to win three titles at the same event.

Seeds
• # 🇩🇪 Dimitrij Ovtcharov (second round)

• # 🇨🇳 Lin Gaoyuan (semifinals)

• # 🇨🇳 Xu Xin (second round)

• # 🇭🇰 Wong Chun Ting (first round)

• # 🇰🇷 Lee Sang-su (quarterfinals)

• # 🇯🇵 Koki Niwa (first round)

• # 🇯🇵 Tomokazu Harimoto (second round)

• # 🇧🇷 Hugo Calderano (quarterfinals)

• # 🇫🇷 Simon Gauzy (first round)

• # 🇯🇵 Jun Mizutani (semifinals)

• # 🇯🇵 Kenta Matsudaira (first round)

• # Chuang Chih-yuan (second round)

• # Quadri Aruna (first round)

• # 🇯🇵 Jin Ueda (first round)

• # 🇰🇷 Lim Jong-hoon (quarterfinals)

• # 🇩🇪 Patrick Franziska (first round)

Seeds
• # 🇨🇳 Chen Meng (final)

• # 🇨🇳 Zhu Yuling (champion)

• # 🇨🇳 Wang Manyu (quarterfinals)

• # 🇯🇵 Kasumi Ishikawa (semifinals)

• # 🇨🇳 Liu Shiwen (semifinals)

• # 🇯🇵 Mima Ito (quarterfinals)

• # 🇯🇵 Miu Hirano (first round)

• # Cheng I-ching (quarterfinals)

• # 🇸🇬 Feng Tianwei (first round)

• # 🇨🇳 Chen Xingtong (first round)

• # 🇨🇳 Sun Yingsha (second round)

• # 🇨🇳 Ding Ning (second round)

• # 🇭🇰 Doo Hoi Kem (first round)

• # 🇯🇵 Hitomi Sato (first round)

• # 🇰🇷 Seo Hyo-won (quarterfinals)

• # 🇰🇷 Jeon Ji-hee (second round)

Seeds
• # 🇭🇰 Ho Kwan Kit / Wong Chun Ting (final)

• # 🇯🇵 Masataka Morizono / Yuya Oshima (first round)

• # 🇯🇵 Koki Niwa / Jin Ueda (quarterfinals)

• # 🇩🇪 Patrick Franziska / Ricardo Walther (first round)

• # 🇰🇷 Lee Sang-su / 🇰🇵 Pak Sin-hyok (semifinals)

• # 🇰🇷 Jang Woo-jin / Lim Jong-hoon (champions)

• # Chen Chien-an / Chuang Chih-yuan (quarterfinals)

• # 🇭🇰 Lam Siu Hang / Ng Pak Nam (quarterfinals)

Seeds
• # 🇯🇵 Hina Hayata / Mima Ito (first round)

• # 🇰🇷 Jeon Ji-hee / Yang Ha-eun (semifinals)

• # 🇨🇳 Wang Manyu / Zhu Yuling (final)

• # 🇨🇳 Chen Meng / Ding Ning (champions)

• # 🇭🇰 Ng Wing Nam / Soo Wai Yam Minnie (quarterfinals)

• # 🇮🇳 Manika Batra / Mouma Das (first round)

• # 🇯🇵 Miu Hirano / Kasumi Ishikawa (quarterfinals)

• # 🇸🇬 Yu Mengyu / Zhou Yihan (quarterfinals)

Seeds
• # 🇯🇵 Masataka Morizono / Mima Ito (first round)

• # 🇭🇰 Wong Chun Ting / Doo Hoi Kem (first round)

• # 🇰🇷 Lee Sang-su / Jeon Ji-hee (quarterfinals)

• # Chen Chien-an / Cheng I-ching (semifinals)

• # 🇭🇰 Ho Kwan Kit / Lee Ho Ching (quarterfinals)

• # 🇨🇳 Lin Gaoyuan / Wang Manyu (quarterfinals)

• # 🇯🇵 Tomokazu Harimoto / Hina Hayata (first round)

• # 🇰🇷 Lim Jong-hoon / Yang Ha-eun (semifinals)