Jim Courier and John Millman unpack what Novak Djokovic's future in the sport holds after his sudden retirement at the Australian Open.

Two-time Australian Open champion Jim Courier is joined by John Millman and Nick McArdle to discuss Alexander Zverev's ability to get past his...

The tennis world has reacted in shock to Novak Djokovic’s sensational retirement just one set into his semifinal blockbuster with Alexander Zverev.

John McEnroe and John Millman say the crowd's reaction to Novak Djokovic's decision to quit his semi was 'disrespectful'.

John McEnroe and John Millman say the crowd's reaction to Novak Djokovic's decision to quit his semi was 'disrespectful'.

MELBOURNE (Reuters) - Alexander Zverev said he felt ready to challenge for a long-awaited Grand Slam title at the Australian Open after being...

Daniela Hantuchova and Chris Stubbs look at what next for Novak Djokovic after his shock Australian Open retirement.

Daniela Hantuchova and Chris Stubbs look at what next for Novak Djokovic after his shock Australian Open retirement.

Daniela Hantuchova and Chris Stubbs look at what next for Novak Djokovic after his shock Australian Open retirement.

John McEnroe gives his immediate reaction to Novak Djokovic's semi final retirement.