The German was beaten 10-21, 21-9, 11-21 at the Malaysian capital’s Stadium Juara as his hopes of triumphing came to an end.

Soh went onto suffer defeat in his quarter-final match against sixth-seeded Chinese Ren Pengbo, losing 7-21, 13-21.

Awaiting Ren in the last four is eighth-seeded home favourite Satheishtharan Ramachandran after he overcame third seed Lee Chia-Hao of Chinese Taipei 13-21, 21-16, 21-17.

The other semi-final pits two unseeded players, China’s Lin Guipu and Chinese Taipei’s Lin Chun-Yi, against each other.

Lin Guipu beat South Korea’s Cho Geonyeop 17-21, 21-14, 21-17 in the quarter-finals, while Lin Chun-Yi defeated Singapore’s Ong Soon Yang Bernard 21-18, 21-18 at the same stage.

In the women’s singles event, top seed Chua Grace Hui Zhen is well on course for glory after winning her opening two matches today.

The Singaporean firstly beat Poland’s Oliwia Socha 21-8, 21-8 in round two before registering a 23-21, 21-17 quarter-final win over Malaysia’s Saranya Navaratnarajah.

Standing between Chua and a place in the final is South Korea’s Lee Dahui, who defeated China’s Fan Mengyan 21-12, 22-20 in the last eight.

Lee’s compatriot Jung Hyunji is also through to the semi-finals thanks to a 21-14, 21-18 victory over second-seeded Thai Supanida Katethong.

Jung’s next opponent is fourth seed Hung Yi-Ting following the Taiwanese's 17-21, 21-8, 21-7 win at the expense of fifth seed Reshma Karthik of India.

The semi-finals and finals in both the men’s and women’s singles events are scheduled to take place tomorrow.