Dominic Thiem, Nick Kyrgios, Kiki Bertens and Elina Svitolina are among the men's and women's pros set to compete in grass and hard-court events in Berlin in July.

Kyrgios also pointed out that Shelton had “zero hesitation” to serve-and-volley for easy winners if Thiem was standing far back on the service return.

Kyrgios rated Thiem as one of the most physical guys on tour and an extremely good player but will go into the match believing he has "a good chance". "Whatever happens against Thiem happens," he ...