canada 's raonic , ranked no 6 in the world , lost to roger federer in last year 's wimbledon semi-final while kyrgios burst onto the scene with a shock fourth-round victory over two-time champion rafael nadal .
the duo will join nadal , andy murray , stan wawrinka , marin cilic and defending champion grigor dimitrov at queen 's , which begins on june 15 .
croatia 's milos raonic in action during his run to the wimbledon semi-finals last year .