When Taylor Fritz walked onto Centre Court for his Wimbledon quarterfinal against Alexander Zverev, there was little reason to expect the American's tournament would unravel so quickly.
Fritz entered the matchup having won seven consecutive matches against Zverev, including a recent victory on grass in Halle. But instead of another tightly contested battle, the American fell in straight sets, 6-4, 6-4, 6-2, after what he later described as a sudden flare-up of right knee tendinitis that surfaced just a few games into the match.