Defending champion Saina Nehwal has entered the second round of the Women's Singles in the Indonesian Super Series Premier badminton tournament. In the first round at Jakarta on Tuesday, she overcame Indonesia's Lindaweni Fanetri in three games 21-17, 27-29, 21-13.In the pre-quarterfinals today,World number two Saina will take on the winner of the match between Sayaka Takahashi of Japan and Thailand's Porntip Buranaprasertsuk.In the mixed doubles, world number 29 pair of Tarun Kona and Ashwini Ponnappa prevailed over Praveen Jordan and Vita Marissa 21-18 14-21 25-23 in a 53-minute engrossing battle.The Indian pair will face the seventh seeded Polish combo of Robert Mateusiak and Nadiezda Zieba in the pre-quarterfinals tomorrow.