18-year-old Sindhu, who won the World Championship bronze, Malaysia Open and Macau Open last year, prevailed over Japan's Shizuka Uchida 21-17 17-21 21-16 in a women's singles second round. The Indian will take on World No. 3 Yihan Wang on Friday.
In the first set, Sindhu was able to keep the pressure on the world number 113 Japanese Shizuka by maintaining her lead at 11-10, 14-10, then 19-14 and eventually took the set.
In the second set, Uchida turned the tables suddenly by leading 11-8, but Sindhu fought back to tie the game at 13-13. The Japanese, however, did not give up, she also tied the game at 16-16 and then reeled off four points to bring the game to the decider.
In the decider set, Sindhu was leading 15-11 midway but the Japanese was able to narrow the lead to 16-18 before Sindhu marched away with the remaining three points to seal the match.
Young Indian shuttler Kidambi Srikanth, notched up an upset 18-21 21-15 21-8 over world number 10 Nguyen Tien Minh of Vietnam.
Srikanth had a slow start early in the first set. Nevertheless, fought back from 6-14 to tie the game at 16-16 and then moved neck-and-neck till 18-18. However, the more experienced Vietnamese soon took control of the game and won the first set.
In the second set, Srikanth was able to open up a quick 8-5 lead. Tien Minh tried to catch up with the Indian, but Srikanth managed to keep his rival at bay and slowly carved his way to the deciding set.
The confident Srikanth realized that Nguyen Tien Minh was clearly very tired in the third set. He started to speed up his game, and quickly opened the lead to 11-3. After the break, Srikanth continue to lead 16-6 before sending Tien Minh packing with winning 5 straight points from 17-8 to cruise into the quarterfinals. Srikanth will take on Hong Kong's Yun Hu in the quarterfinals on Friday.