Frances Tiafoe, after an unexpected pep talk from Serena Williams, defeated Alexei Popyrin on Sunday night to become the first American man to reach three consecutive US Open quarterfinals since Andy Roddick nearly 20 years ago.
Frances Tiafoe, after an unexpected pep talk from Serena Williams, defeated Alexei Popyrin on Sunday night to become the first American man to reach three consecutive US Open quarterfinals since Andy Roddick nearly 20 years ago.