India's Lakshya Sen defeated Koki Watanabe of Japan 13-21 21-18 21-14 to win Kumamoto Masters Super 500 badminton tournament in Japan. 

Earlier, Lakshya Sen had advanced into the final ith a stunning three-game win over world No. 10 Alwi Farhan of Indonesia. World No. 13 Lakshya, who won the Hylo Open title, brightened his chances of qualifying for the BWF World Tour Finals in Hangzhou, after reaching the final with a 21-12, 15-21, 21-11 win over sixth seed Farhan.

Watanabe, meanwhile, had beaten Kunlavut Vitidsarn of Thailand.

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