![Roger Federer's coach attacks Jannik Sinner: here his hard words | Roger federer, Sinner, Tennis world Roger Federer's coach attacks Jannik Sinner: here his hard words | Roger federer, Sinner, Tennis world](https://i.pinimg.com/736x/01/95/2d/01952d2eb62aee32c9d72256867f2b3b.jpg)
Roger Federer's coach attacks Jannik Sinner: here his hard words | Roger federer, Sinner, Tennis world
![Jannik Sinner of Italy hits a ball during the Gentlemen's Singles Semi-finals match against Novak Djokovic of Serbia in the Championships, Wimbledon at All England Lawn Tennis and Croquet Club in London, Jannik Sinner of Italy hits a ball during the Gentlemen's Singles Semi-finals match against Novak Djokovic of Serbia in the Championships, Wimbledon at All England Lawn Tennis and Croquet Club in London,](https://l450v.alamy.com/450v/2hd61dd/sydney-australia-04th-jan-2022-jannik-sinner-of-team-italy-hits-the-ball-during-the-atp-cup-at-qudos-bank-arena-sydney-olympic-park-tennis-centre-sydney-australia-on-4-january-2022-photo-by-peter-dovgan-editorial-use-only-license-required-for-commercial-use-no-use-in-betting-games-or-a-single-clubleagueplayer-publications-credit-uk-sports-pics-ltdalamy-live-news-2hd61dd.jpg)
Jannik Sinner of Italy hits a ball during the Gentlemen's Singles Semi-finals match against Novak Djokovic of Serbia in the Championships, Wimbledon at All England Lawn Tennis and Croquet Club in London,
![Jannik Sinner can crack top ten this year - his tennis is universal,' says former French Open champion - Tennishead Jannik Sinner can crack top ten this year - his tennis is universal,' says former French Open champion - Tennishead](https://tennishead.net/wp-content/uploads/2020/10/Jannik-Sinner-impressing-Nadal-1024x512.jpg)
Jannik Sinner can crack top ten this year - his tennis is universal,' says former French Open champion - Tennishead
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