Top seed Taylor Fritz defeated Matteo Arnaldi in straight sets to progress to the quarter-finals in Washington
Good friends off the court, Frances Tiafoe and Ben Shelton will now go head-to-head for a place in the Washington Open semi-finals.
Magdalena Frech ended Venus Williams' Washington Open run, while top seed Jessica Pegula also slumped out on Thursday.
Emma Raducanu beats four-time Grand Slam champion Naomi Osaka in straight sets to reach Washington quarters.
Daniil Medvedev kept his cool and breezed past China's Yibing Wu to reach the Washington quarters on Thursday.
Jessica Pegula makes light work of former world number one Iga Swiatek to claim her first Bad Homburg title.
Iga Swiatek was too much for Jasmine Paolini as the Pole secured her place in the Bad Homburg Open final
Novak Djokovic beat Alexandre Muller in four sets to advance to the second round at Wimbledon
Meanwhile, home fans at the All England Club will be backing Jack Draper, who's risen to world no.4 this year.
Two-time Wimbledon champion Petra Kvitova bids farewell after a straight-sets loss to No.10 seed Emma Navarro
Could former champions Elena Rybakina or Marketa Vondrousova get their hands on the Venus Rosewater Dish?