'Your career set the tone for...excellence', Djokovic pens farewell message for Federer

A day after Roger Federer's announcement that next week's Laver Cup will be his final ATP event, World No. 7 Novak Djokovic on Friday wrote a farewell message, saying that the Swiss legend's career set the tone for achieving excellence and lead with integrity and poise.

Novak Djokovic and Roger Federer

A day after Roger Federer's announcement that next week's Laver Cup will be his final ATP event, World No. 7 Novak Djokovic on Friday wrote a farewell message, saying that the Swiss legend's career set the tone for achieving excellence and lead with integrity and poise.

Federer, a 20-time Grand Slam singles champion, on Thursday caught the tennis and sports world by surprise by announcing his retirement from top-level tennis.