John McEnroe's side entered the final day of the three-day event in London trailing four-time champions Team Europe 4-8.
Roger's career has been a rollercoaster of a ride. He has been at the pinnacle of success and also experienced many downfalls that tested his resilience and determination to get back up.
The tennis legend said that the last 24 years on tour have been an incredible adventure for him.
Federer is determined to do well in the US Open and add another Grand Slam title to his trophy-laden career.
The Russian youngster defeated Federer in straight sets- 6-3, 6-4 in a match that was concluded in just a little over an hour.
Nadal announced that he will not participate in this competition only after a few hours he had won his fifth ATP Montreal title 6-3, 6-0 against Russian Daniil Medvedev.
The defending champion of the Rogers Cup cruised to a 6-3 6-4 win over Pella as he recorded his 379th win at ATP Masters 1000 level.
Federer said that it is his passion for the sport and the goals he had set himself that has kept him motivated in International tennis for so long.