B Sai Praneeth stormed into the quarter-finals of Singapore Super Series 2017 by beating Qiao Bin of China 21-15 21-23 21-16 in a 72 minutes battle in the second round.
Praneeth had a match point in second game but he squandered it and went on to lose the game. However in the third game, he came back strong to seal the match in his favour. He plays 8th seed Tanongsak Saensomboonsuk of Thailand next.
In mixed doubles, Indian duo of Ashwini Ponnappa and B Sumeeth Reddy cruised into the quarters after defeating Koreans Jae Hwan Kim/Lee So Hee 17-21 21-17 21-16 in second round.
They face 3rd seeded Chinese duo of Lu Kai and Huang Yaqiong for a place in the semi-finals.