In the Denmark Open Badminton tournament, the Indian pair of Valiyaveetil Diju and Jwala Gutta will today lock horns with third seeded Danish duo of Joachim Fischer Nielsen and Christinna Pedersen in the quarter-finals of the Mixed Doubles event.The Indian pair yesterday defeated Chris Adcock of England and his Scottish partner Imogen Bankier 21-16, 21-19 to make it to the last-eight round.However, India had to taste defeat in the Men's and Women's Singles event yesterday as Anand Pawar and fourth seeded Saina Nehwal made a shock exit from the tournament in the second round.In the Women's Singles event, Saina lost to Chinese Taipei's Tzu Ying Tai 21-19, 21-13, while Anand lost to World Number One Chong Wei Lee of Malaysia 21-14, 21-13 in the Men's Singles category.