A defiant Serena Williams bid an emotional good-bye to the U.S. Open with a third-round loss to Ajla Tomljanovic on Friday, in what may have been the last singles match of her glittering career.
<!-- wp:html --><p>A defiant Serena Williams bid an emotional good-bye to the U.S. Open with a third-round loss to Ajla Tomljanovic on Friday, in what may have been the last singles match of her glittering career.</p><!-- /wp:html -->