Novak Djokovic retires from his Australian Open semifinal after losing the first set against Alexander Zverev.

An injured Novak Djokovic has quit after dropping the first set of his Australian Open semifinal against Alexander Zverev.

It could be tempting to write off Novak Djokovic at this point, to think he might be closer than ever to being done competing ...

Novak Djokovic responds to boos as Jannik Sinner to face Alexander Zverev in Australian Open final - live - Djokovic is out ...

But, regardless of how you feel about him or what you think about him bowing out, nobody — not even Novak Djokovic — deserves ...