Top seeds Sania Mirza and Martina Hingis have bowed out of the WTA Aegon International tennis tournament. In the semi-finals of the Women's Doubles at Eastbourne in United Kingdom today, the Indo-Swiss pair lost to fourth seeded French-Slovak combine of Caroline Garcia and Katarina Srebotnik, in straight sets 5-7, 4-6. The WTA Premier grass court event is the last before the Wimbledon championships which begin on Monday.