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Malcolm Watt represented Scotland in youth tennis and squash, turned pro and joined the European Tour.

Four years ago, aged 42, he was diagnosed with a rare form of dementia. He now needs round-the-clock care, except when he's back on the tennis court.

We speak to his father Tommy, along with tennis coach and friend of 30 years Ian Campbell.

The audio from this clip was originally broadcast during 5 live Sport on Thursday 19 May 2016.