Right now, tennis is losing many of its biggest names. 

Last year, Roger Federer and Serena Williams retired, and Rafael Nadal and Novak Djokovic are in the twilight of their careers.

But there’s no obvious answer to who will take their place, and in the meantime, younger generations are tuning out. 

Today, columnist for The Sydney Morning Herald, Malcolm Knox, joins journalist Angus Thomson to discuss whether tennis has reached its breaking point - and if a new documentary series could help save it.

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