Cincinnati Open ATP Semi-Finals Round-Up | Arthur Fils takes down Cobolli as Tiafoe wins all-American semi-final

The Cincinnati Open has its final two contenders after Arthur Fils and Frances Tiafoe came through their respective semi-finals in straight sets. Fils defeated Flavio Cobolli to continue his remarkable Masters 1000 campaign, while Tiafoe followed by overcoming Brandon Nakashima in an all-American ba...