At the Denmark Open badminton tournament, top seed Saina Nehwal suffered a shock second round defeat, while Kidambi Srikanth also failed to clear the second round in men's singles. In the 6,50,000 US Dollar Super Series Premier event, at Odense last night, also making an exit was men's doubles pair of Manu Attri and B Sumeeth Reddy. World number one Saina lost 18-21, 13-21 to world number 18 from Japan Minatsu Mitani in 39 minutes in the women's singles second round. World No. 5 Srikanth, who had a 1-1 record against Tommy Sugiarto of Indonesia coming into the match, failed to come up with his best game and lost 15-21, 17-21 in the men's singles second round. Top Indian men's doubles pair of Manu and Sumeeth, went down 19-21 22-20 19-21 to eight seeds Lee Sheng Mu and Tsai Chia Hsin of Chinese Taipei. On Wednesday, World No. 16 H S Prannoy had lost to Hsu Jen Hao of Chinese Taipei in the opening round.