Adcock believes mixed doubles at Rio 2016 will be wide open

China’s Zhang Nan and Zhao Yunlei may be favourites but Gabby Adcock believes a number of pairs could win the mixed doubles title at Rio 2016.

All England 2016

Watch the world’s best on the road to Rio

The world’s best players will return to the YONEX All England Open Badminton Championships in 2016 as the race to qualify for the Rio Olympics intensifies.

All England 2015