Roger Federer has previously tipped Alexander Zverev and Nick Kyrgios as potential future Grand Slam winners.
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 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.
'To my rival Rafa': Federer pays tribute to Nadal after revealing reason for special connect during 14-year rivalry
Roger Federer and Rafael Nadal have played each other 38 times during their ongoing 14-year rivalry that started at the 2004 Miami Open.
'It became a running joke in my team': Roger Federer shares details of his gruelling injury comeback
Federer has won a remarkable nine titles after making a comeback and his audacious achievement was regarded as the best comeback of the year.
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.
Roger Federer has won two Olympic medals – a silver in the singles at the London 2012 Games and gold in the men's doubles category at the 2008 Beijing Olympics.
Federer admits to having doubts but did not fear that he would never play tennis again after 2016 injury
Federer had to miss the second half of the 2016 season due to a knee injury, but has returned to take over the top ranking in men's singles.
Zverev made his way to fourth in the ATP rankings earlier this year but has failed to translate his ascendancy on the courts.
Federer has started 2018 in the same way he did in 2017, winning the Australian Open for the sixth time in his career.
Feliciano Lopez will be the world number two's first opponent since he withdrew from the Australian Open.
Robin Haase opens up on loss to Roger Federer and explains how Rafael Nadal can curb Swiss ace's progress
Robin Haase lost to Roger Federer in a three-set quarter-final match at the Rotterdam Open, being the only player at the event to win a set against the Swiss legend.
Rafael Nadal and Novak Djokovic are the only ones capable of catching Roger Federer's Grand Slam tally, according to the latter's ex-coach.
Bjorn Borg has won Wimbledon five times and claimed six French Open titles among 64 total career titles.
Rafael Nadal is fit and ready for the Mexican Open, but is not looking to compete with Roger Federer over the world number one ranking as he makes his return.
Roger Federer loves frequenting Italian, Indian and Japanese restaurants, while fonduta and raclette are his favourite dishes.
Salah Tahlak expects Roger Federer to last two more years, while Rafael Nadal will also follow suit to allow the new generation to prosper.
Federer has won his 20th Grand Slam at Melbourne last month, winning the Australian Open for the sixth time in his career.
Roger Federer's ex-coach Stefan Edberg looks back at his losing run against Rafael Nadal and the changes he made to his game to turn it around.
Roger Federer and Rafael Nadal were part of Team Europe as they took on Team World in the Laver Cup in September last year.
The Swiss ace has been a regular at Dubai, winning the title seven times in his career but cited family as a reason to opt out this year.
Roger Federer has decided to skip the Dubai Tennis Championships starting on 26 February and will next return to action at the Indian Wells Masters.