Jang Woo-jin is into the semi-finals of the Asian Table Tennis Championships in the men's singles and doubles ©Getty Images

South Korean top seed in the men's singles, Jang Woo-jin is into the final four at the Asian Table Tennis Championships in Qatar's capital, Doha, following a straight games victory over Kazuhiro Yoshimura in the quarter-finals.

Jang won comfortably 11-4, 11-4, 11-4 against the Japanese ninth seed at the Lusail Sports Arena.

Chinese Taipei's fourth seed Chuang Chih-Yuan is expectedly through too with an 11-9, 11-4, 11-5 win over Japanese 29th seed Yuto Kizukuri.

Lee Sang-su, the third seed from South Korea, won in straight games against Indian fifth seed Sharath Kamal Achanta 11-8, 11-8, 11-9 to progress, and 17th seed Shunsuke Togami joins him after beating Japanese compatriot 31st seed Hiroto Shinozuka 11-7, 11-9, 9-11, 5-11, 11-8.

Top seed in the women's singles - South Korea's Jeon Ji-hee - is out at the quarter-finals stage, losing her match against Japanese 16th seed Minami Ando 11-3, 9-11, 7-11, 11-8, 12-10.

Her team mate, 14th seed Shin Yu-bin, is through after beating 17th seed Zhu Chengzhu of Hong Kong 11-9, 11-8, 8-11, 6-11, 11-3.

Japanese sixth seed Hina Hayata defeated Hong Kong second seed Doo Hoi Kem 11-7, 11-7, 11-7, and her eighth seed compatriot Saki Shibata won 11-8, 15-13, 14-12 against South Korean fourth seed Suh Hyo-won.

Jeon Ji-hee was knocked out of the women's singles in the quarter-finals ©Getty Images
Jeon Ji-hee was knocked out of the women's singles in the quarter-finals ©Getty Images

Sixth seeds Miyu Nagasaki and Minami Ando of Japan defeated Indian 11th seeds Sutirtha and Ayhika Mukherjee 11-4, 11-5, 4-11, 7-11, 11-8, and are joined in the women's doubles semi-finals by South Korean top seeds Jeon Ji-hee and Shin Yu-bin, following their 11-2, 11-5, 11-5 victory over Hong Kong's seventh seeds Zhu Chengzhu and Ng Wing Nam.

Hong Kong fifth seeds Doo Hoi Kem and Lee Ho Ching are through too after beating Japan's fourth seeds Hitomi Sato and Saki Shibata 12-10, 4-11, 11-3, 4-11, 12-10.

Second seeds Cheng Hsien-Tzu and Liu Hsing-Yin progress too with an 11-6, 8-11, 11-7, 11-8 win against eighth seeds Lin Ye and Wong Xin Ru of Singapore.

In the men's doubles quarter-finals, South Korean fifth seeds Jang Woo-jin and Lim Jong-hoon won 11-9, 11-7, 8-11, 11-8 against Hong Kong's fourth seeds Wong Chun Ting and Ho Kwan Kit.

India have two pairs through to the final four - sixth seeds Harmeet Desai and Manav Vikash Thakkar won 12-10, 11-5, 11-6 over Iranian top seeds Noshad Alamiyan and Nima Alamian, and seventh seeds Sharath Kamal Achanta and Sathiyan Gnanasekaran won against 15th seeds Zhe Yu Clarence Chew and Kun Ting Beh of Singapore 11-9, 11-7, 12-10.

Finally, Japanese second seeds Yukiya Uda and Shunsuke Togami are through with an 11-4, 9-11, 11-5, 11-2 win over Hong Kong eighth seeds Ng Pak Nam and and Lam Siu Hang.