After his stunning victory over in-form Alexander Zverev, could American wild card Frances Tiafoe follow it up as he faced big-serving countryman John Isner in Cincinnati - watch the full replay.
John Isner v Frances Tiafoe
Replay
Cincinnati
2017R3R3
After his stunning victory over in-form Alexander Zverev, could American wild card Frances Tiafoe follow it up as he faced big-serving countryman John Isner in Cincinnati - watch the full replay.
