ATP roundup: Frances Tiafoe advances in Washington, whilst Nakashima edges Vukic
American Frances Tiafoe rides pinpoint serve into third round over Dominic Stricker
ATP roundup: No. 1 Ruud upset by Jarry in Geneva, Zverev and Fritz march on
Stan Wawrinka makes short work of Ivashka in Rome opener as Stephens advances
Alexander Zverev beats Bautista-Agut to advance into third round in Monte Carlo
