A new era begins. Tennis Unfiltered starts with Calvin Betton (resident tennis coach) calling in from Portugal, James Gray (inews.co.uk and i newspaper) on the line from Melbourne and George Bellshaw (tennis writer) in... north London. It's not all glamour.

This week, we tackle the big topics in tennis. Is a sachet of vinegar acceptable to drink on court? What is Cliff Richard's biggest hit? Will Netflix ever learn?

We also talk about some tennis too.

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