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Roger Federer is unlikely to play at Wimbledon this year, according to coach Severin Luthi. The 40-year-old has endured injury issues in recent years, preventing him from challenging the likes of Novak Djokovic and Rafael Nadal for more Grand Slam glory. And that will be a cruel twist, especially with the Swiss maestro nearing the end of his career.

Federer has won 20 Grand Slams throughout his career, establishing himself as a tennis icon along the way.

Yet his future in the sport is currently in doubt, with the 40-year-old enduring injury issues that have stopped him from claiming more success.

Federer's knee has caused him problems, with the veteran last appearing at Wimbledon last year where he was beaten by Hubert Hurkacz.

Now, coach Luthi has claimed the Swiss star is unlikely to play at Wimbledon this year amid his