Big Foe lights up the big stage Early in the tournament, Frances Tiafoe declared there is a “changing of the guard” taking place in men’s tennis, acknowledging that “everyone is beatable, even the top guys”. Ad The 24-year-old American believes the sport can benefit from the arrival of new faces at the top but added that he still wasn’t fully there yet when it comes to upsetting the tennis order, and that he was happy to be flying under the radar. US OpenAlcaraz v Cilic — US Open highlightsAN HOUR AGO “I'm still that dark horse who can do something special,” he said last week after beating Marcos Giron in the opening round.