Roger Federer has told Carlos Alcaraz that he must be aware of his ‘physical capabilities’. The Swiss star is widely regarded as one of the best tennis players to ever grace the court, and Alcaraz is viewed as the heir to his throne after a sensational few seasons.

Currently placed third in the ATP rankings, Carlos Alcaraz is considered by many to be the successor of Rafael Nadal, and also with the potential to be an all-time great. Alcaraz has been ranked as high as world no. 1 in singles, and has won 15 ATP Tour singles titles, which also consists of four Grand Slams and five Masters 1000 trophies.

Roger Federer has nothing but praise for Carlos Alcaraz's game but the tennis legend has noticed one thing that he believes the 21-year-old needs to change going forward because it could potentially have a negative impact on his health and ultimately career.

Those who were alive in 2005 to watch Roger Federer in action will never get tired of talking about it. That year, the Swiss legend went 81-4 and captured 11 titles, including the U.S.

After storming to success so early in his career, tennis icon Roger Federer has dished out some essential advice to Carlos Alcaraz so that the Spaniard can sustain his form