India's Anup Sridhar registered a spirited victory over ninth seeded Sung Hwan Park of Korea to enter the semi-finals of the German Open Badminton Championships in Bottrop.
Sridhar, enjoying a fine run in the elite tournament, came from behind in a tough encounter to beat Park 15-21, 23-21, 21-17 late on Friday night.
He reaped rewards for his aggressive game as he won frequent points with smashes and a superior net game.
Sridhar will take on top seed China's Lin Dan for a place in the final.
Lin eased past Malaysia's Choong Hann Wong 21-15, 21-14 in just 29 minutes in the other quarter-final.
However, it was the end of the road for the men's doubles pair of Rupesh Kumar and Sanave Thomas, who were outclassed by top seeded Koreans Jae Sung Jung and Yong Dae Lee 21-9, 21-15 in the quarter-final.
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