Loading...Kei Nishikori v Frances Tiafoe HighlightsKei Nishikori v Frances Tiafoe HighlightsHIGHLIGHTSVIENNA2018R15:19Kei Nishikori of Japan played US youngster Frances Tiafoe in the first round of the Erste Bank Open in Vienna - catch up on the best of the action.