Singapore woman badminton player Yeo Jia Min beat world number one Akane Yamaguchi 21-14, 21-18 at the BWF World Championships on Tuesday night, Aug. 20.
Her straight sets win took 39 minutes.
Yeo, 20, is ranked world No. 32.
She was up 11-5 just five minutes into the first game.
Her 22-year-old Japanese opponent was no match, according to The New Paper.
Yeo advances to the Round of 16 of the women's singles in just 39 minutes.
She will next play Vietnam's Vu Thi Trang.
Yeo said after the victory: "Today, I did my best to focus on every point from the start, to be patient but ready for chance to attack."
The BWF World Championships is in Basel, Switzerland.
You can watch the match here:
All photos via Yeo Jia Min Facebook