<P> Marin Čilić claimed his first grand slam title , defeating Kei Nishikori , also playing in his first major final . </P>
<P> Marin Čilić claimed his first grand slam title , defeating Kei Nishikori , also playing in his first major final . </P>
who won the men 's singles title of the us open tennis grand slam 2014
who won the men 's singles title of the us open tennis grand slam 2014
Marin Čilić
Marin Čilić