He defeated Sam Groth and Yoshihito Nishioka , before succumbing to world No. 1 and two - time defending champion Novak Djokovic in straight sets .
In late March , Thiem traveled to Miami , an outdoor hard court tournament .
Thiem defeated Sam Groth and Yoshihito Nishioka , before succumbing to world No. 1 and two - time defending champion Novak Djokovic in straight sets .
In late March , Thiem traveled to Miami , an outdoor hard court tournament .