The 20-year-old German feels he has proved he can win a grand slam title in the future with a handful of high-profile wins.
Rafael Nadal, who suffered a hip injury at the 2018 Australian Open, was expected to return to action at the Mexican Open.
Roger Federer has previously tipped Alexander Zverev and Nick Kyrgios as potential future Grand Slam winners.
Lewis Hamilton is targeting his fifth F1 drivers' title in 2018 with Sebastian Vettel expected to be his main rival.
Roger Federer is currently on a break and will return to action at the Indian Wells Masters beginning 8 March.
The Serbian is supportive of the changes but wants a debate on the timing of the World Cup of Tennis.
Current world number 12 heading back to the practice court to "find his highest level" after struggling on his return from knee surgery.
A decision over whether the Swiss will compete on clay in 2018 will not come before the end of the BNP Paribas Open.
Roger Federer won his 20th men's singles Grand Slam title at the 2018 Australian Open.
Roger Federer, Rafael Nadal and Novak Djokovic have won a combined 48 Grand Slams.
Roger Federer and Caroline Wozniacki already lead the list of top tennis prize money earners in 2018.
Roger Federer currently has 97 men's singles titles, which include 20 Grand Slams. He is second on the list behind Jimmy Connors, who has 109.
The Spaniard admits he could skip the Sunshine Double to ensure he is fit for the entire clay court season.
New proposals to overhaul the Davis Cup into a World Cup-style competition have drawn a mixed response from the tennis world.
Roger Federer and Rafael Nadal have played each other 38 times during their ongoing 14-year rivalry that started at the 2004 Miami Open.
Federer has won a remarkable nine titles after making a comeback and his audacious achievement was regarded as the best comeback of the year.
Boris Becker is awaiting the return of Andy Murray, who he considers one of the best players in the world when fully fit.
Federer does not have any future records that he wishes to match and will take them as when they come his way.
The rivalry between Roger Federer and Rafael Nadal will always be considered as one of tennis' greatest-ever.
Rafael Nadal's injury problems have continued as he withdrew from the Mexican Open in Acapulco, giving Roger Federer a boost in the ATP tennis rankings.