Roger Federer has said his decision to retire from tennis came after he "stopped believing" he could continue playing because of injuries.
The 20-time Grand Slam champion, has not played since Wimbledon 2021, after which he had a third knee operation.
The Swiss is retiring from the sport after this weekend’s Laver Cup in London.
"The last three years have been tough to say the least," he told BBC Breakfast.
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