Birmingham: Saina Nehwal began her All England Badminton Championship campaign with a comfortable win over Scotland's Kirsty Gilmour here Wednesday.

World No. 10, Sindhu too found the going tough and her debut at the All England was spoilt by Sun Yu of China in another women's singles match. Sindhu, who held a 2-1 record against Sun before the match, suffered a 16-21 15-21 loss in a 47-minute match at the National Indoor Arena here.