New York, June 18 (IANS): Indian shuttlers Ajay Jayaram, R.M.V. Gurusaidutt and B. Sai Praneeth notched up contrasting wins to enter the men's singles third round at the $120,000 US Open Grand Prix Gold being played at the Suffolk County Community College here.

While 14th seed Jayaram beat Czech Republic's Jan Frohlich 21-9, 21-7 in 21 minutes, 16th seed Sai overcame Danish Christian Lind Thomsen 13-21, 21-9, 21-10 in 48 minutes on Wednesday. Commonwealth Games bronze medallist Gurusaidutt defeated compatriot Anand Pawar 18-21, 21-11, 22-20 in 56 minutes also to advance to the pre-quarter-finals.

Meanwhile, women's doubles fourth seeds Jwala Gutta and Ashwini Ponnappa easily trumped Japanese pair of Mayu Matsumoto and Wakana Nagahara 21-16, 21-14 in 29 minutes to enter the second round.

Later, Manu Attri and B. Sumeeth Reddy beat compatriots K. Dilshad and Tarun Kona 21-16, 21-9 in 21 minutes to also proceed to men's doubles second round.

However, Saili Rane suffered an opening round defeat in women's singles as she went down to Japan's Yui Hashimoto 17-21, 11-21 in 35 minutes. Another Japanese Sayaka Sato accounted for P.C. Thulasi, winning 21-15, 21-6 in half an hour.

Later, Chinese Taipei's Lu Chia Pin and Chia Hsin Lee beat Kona and N. Sikki Reddy 21-18, 21-16 in 29 minutes in mixed doubles first round while Japan's Shiho Tanaka and Koharu Yonemoto took care of Pradnya Gadre and Sikki 21-18, 22-20 in 30 minutes in women's doubles first round.