ROME, ITALY - MAY 13: Dominic Thiem of Austria in action against Kei Nishikori of Japan during day six of the The Internazionali BNL d'Italia 2016 on May 13, 2016 in Rome, Italy. (Photo by Matthew Lewis/Getty Images)
ROME, ITALY - MAY 13: Dominic Thiem of Austria in action against Kei Nishikori of Japan during day six of the The Internazionali BNL d'Italia 2016 on May 13, 2016 in Rome, Italy. (Photo by Matthew Lewis/Getty Images)