Roger Federer is in another semifinal at ATP Finals in London. Ranked second in the world, he remained the highest-ranked player involved in Nitto ATP Finals. Another win over Marin Cilic secured him a clean sheet in the Round Robin stage and a place for the last four stages. At 36 years of age, he's having one of the best years of his entire career. He has already won seven titles this year, and potential success in London will raise that bar even higher. Moreover, that would help hi closing the gap on the world No. 1 seat currently occupied by Rafael Nadal.

But, Federer sees that surreal race for the summit as out of his hands due to massive risks he would have to expose himself to.

Roger Federer ends a perfect year, some hints on the 2018 schedule

Sweeping past all obstacles in Round Robin stages increased Roger Federer's already stunning numbers. Before the semi-finals stages, he stands 52-4 in win/loss ratio. His shortened schedule played a huge part in his successful year on the ATP Wolrd Tour. At the O2 Arena in London, he seeks his first triumph of this kind since 2011 and the seventh overall.

In less than two months, the calendar will flip for the 2018 session, and Roger Federer will have a lot to worry about especially in the first quarter of the season.

He would have to defend the title in Australia and then the Sunshine Double at Indian Wells and Miami. His schedule will revolve around these three events with a possible stop in Dubai or why not in Rotterdam. Moving further, having no plan to chase down the world No. 1 seat vigorously, Federer is expected to skip the entire clay court swing once more.

It would be no surprise at all, given the fact that it worked so well for him earlier this year.

The main focus will be on the grass swing and of course on his beloved tournament Wimbledon Championships. But, once again, he would walk there as a defending champion adding up to the pressure.

Roger Federer could hand around enough to think about an Olympic bid or another Davis Cup run

All the hints indicate that Roger Federer won't be in a hurry to rule the ATP World Tour. He would rather prefer to play where he feels in the best mood. This approach might provide with some unexpected opportunities. A Davis Cup winner, Federer might try winning it for the second time. Along with Stan Wawrinka, he can make Switzerland reigns supreme again.

That knee injury he suffered right after 2016 Australian Open ended what should have been his latest Olympic bid for a gold medal in singles. Nw, finding himself into a new phase of his professional career, Federer might get another chance. After all, Tokyo Olympics is less than three years ahead. Sure, by that time, he will be 39-years-old but if there is one thing Federer taught us, is that age can be just a number.