Ace Indian shuttler Saina Nehwal suffered a straight-game 19-21, 13-21 defeat to Tzu Ying Tai of Chinese Taipei in the second round and crashed out of the Denmark Open Super Series, at Odense, on Thursday. However, Jwala Gutta and V Diju kept the tri-colour fluttering after a 21-16, 21-19 victory over Chris Adcock and Imogen Bankier of England in the second round of the mixed doubles.