Lakshya Sen kept India’s flag flying high at the Kumamoto Masters badminton tournament by reaching the semi-finals, while veteran shuttler Kidambi Srikanth bowed out after a loss here on Friday.

Sen, who recently won the Hylo Open in Germany, defeated Japan’s Yushi Tanaka 21-16, 21-15 in a 40-minute quarter-final. He will face Alwi Farhan of Indonesia in the last four.