Boris Becker:’Now Djokovic Does it best of all.

Six-time Grand Slam champion Boris Becker states that former World No. 1 Ivan Lendl was among the first players to do everything 100 percent professionally in the game, while talking on the sidelines of Germany’s Davis Cup tie against Belarus.

Lendl turns 60 years old on Saturday and both were rivals on courtroom when they played in the 1980’s. He’s still among the greatest coaches in the world for me. He was possibly the first one hundred percent professional to perform everything from racket stringers into physio to diet.

I don’t know who dwelt tennis one hundred per cent before him. Today it’s Novak who does it best of all.

He also won 94 singles titles, seven year-end championships and was the runner-up in the Grand Slams on 11 occasions. After retirement, he also become a renowned mentor – working with Andy Murray and assisting the Scot win three Grand Slams and two Olympic gold medals during their time together.

He also worked with Becker’s countryman Alexander Zverev but their alliance lasted under a year. Both players met 21 times throughout their careers – with Lendl winning 11 occasions and Becker 10. Lendl won all of the majors except for Wimbledon, where Becker beat him 3 times in their career.