Ace Indian shuttler Saina Nehwal was on course for her third consecutive Swiss Open title as she stormed into the semifinals of the Grand Prix Gold tournament after thrashing Tzu Ying Tai of Chinese Taipei at Basel.The top seeded Indian outplayed her sixth seeded opponent 21-11 21-12 in quarterfinal match that lasted just 29 minutes. Saina will now play fourth seed Shixian Wang of China in the semifinals, whom she had beaten in the final last year. Barring Saina, all other Indian shuttlers have already crashed out of the tournament.