India's Saina Nehwal overcame a spirited challenge from Aprilla Yuswandari of Indonesia to enter the women's singles quarter-finals of the Indonesia Open Super Series badminton event here Thursday.

The World No. 5 got past her 46th-ranked opponent 21-17, 14-21, 21-13 in a second-round match, lasting 59 minutes. The Indian next plays higher-ranked Chinese Shixian Wang, who beat Singapore's Juan Gu 21-12, 21-11. Saina, who won the Thailand Open Grand Prix Gold event Sunday, will go into Friday's match with confidence. She leads Shixian 2-1 in their head-to-head record and most recently beat the World No. 4 in straight games to win the Swiss Open in March.

Another Indian, PV Sindhu, takes on Germany's Juliane Schenk later in the day. Meanwhile, India's highest-ranked men's player Ajay Jayaram lost his second-round match to Dionysius Hayom Rumbaka of Indonesia 15-21, 14-21. Parupalli Kashyap will face top seed Chen Long of China later on Thursday evening.