Watch highlights from the first semi-final of the Western and Southern Open as former finalist John Isner came up against No. 7 seed Grigor Dimitrov in Cincinnati.
John Isner v Grigor Dimitrov
Match Highlights
Cincinnati
2017SFSF
Watch highlights from the first semi-final of the Western and Southern Open as former finalist John Isner came up against No. 7 seed Grigor Dimitrov in Cincinnati.
