Two-time Olympic medallist P. V. Sindhu eked out a three-game win over world number 1 Akane Yamaguchi of Japan to make it to the semifinals of the Thailand Open Super 500 tournament on Friday.
The sixth seeded Indian prevailed 21-15, 20-22, 21-13 over second seeded Japanese in 51 minutes to set up a clash with Olympic champion Chen Yu Fei of China.