Nine News Perth and 6PR sports presenter Paddy Sweeney and 6PR Breakfast host Gareth Parker discuss tennis star Ash Barty's shock retirement from the sport.

<p>Nine News Perth and 6PR sports presenter Paddy Sweeney and 6PR Breakfast host Gareth Parker discuss tennis star Ash Barty's shock retirement from the sport.</p>

If it's happening in Perth, you'll hear about it first on 6PR Breakfast with Millsy and Karl!

<p>If it's happening in Perth, you'll hear about it first on 6PR Breakfast with Millsy and Karl!</p>

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