Novak Djokovic defeats Roger Federer

Novak Djokovic defeated Roger Federer in straight sets to win the ATP World Tour Finals championship for the fifth time on Sunday.

Breaking vitally in the final game of both sets, Djokovic defeated Roger Federer by 6-3, 6-4 in straight sets and  capped the best season of his career as he won the 11th title of a dominant season of 2015.

Novak Djokovic kisses the ATP World Tour Finals trophy after defeating Roger Federer 6-3, 6-4 

This season has been proved to be full of tremendous achievements for Djokovic because he has won total 11 title in this season and this year has brought three Grand Slam successes and established Djokovic as the world's greatest player.

In this season, Novak has created an excellent record of 82-6 win, 11 titles, including three Grand Slam.

In the final of previous year ATP World Tour championship, Federer lost the title against Novak because he got an injury, which provided the third consecutive title for Novak. Now, with this win, 

Novak Djokovic became the first player of the tennis world to win this event four consecutive times.

World No 1 Djokovic was too good for Federer with a 6-3, 6-4 victory and Federer proved to be helpless against the strong serve and volley game of the champion of this year ATP World Tour championship.

Novak also defeated Roger in the league match of group round earlier in the week on Tuesday, and once again he repeated the same history second time in the tournament on Sunday when he got an excellent game against Roger Federer with the help of his strong service and volley game.

Djokovic claimed the early break for 2-1 in the first set . Federer was committing to many unforced errors in the game under pressure and his base level was proved to be far lower than that of Novak.

Novak was too steady from the time when he claimed the early break for 2-1 in the first set, but Federer too did have a chance to break back, but he could not convert this chance and Djokovic went on to close out the set.

And while it remained on serve for much of the second set, Djokovic always seemed to be in control against Federer on the court before he brought up three break points for a 5-4 lead.

Novak Djokovic  after defeating Roger Federer.

Federer saved all three from 0-40, however, and held, much to the delight of the London crowd, the majority of whom were clearly in support of the Swiss. Even after having such a great cloud support, Roger could not won the title just because of the excellent game played by Novak over the court.

Federer could not hold at the next time of asking, though, and tamely handed the 80-minute victory to his opponent with a double fault , which led to second win of Novak against Federer in the championship and also Djokovic became the first player to win four consecutive ATP World Tour Final titles.

'I am enjoying every moment on the court, I cherish every moment after dreaming of it as a kid. Thank you everyone for making this year so special,' Djokovic said after winning fourth consecutive ATP World Tour Final titles.

'I am looking forward to our two weeks of holiday with my wife and son and away from tennis for a bit. Congratulations to Roger, it was another epic match today and I hope you enjoy your time off with your family,' Novak added. 

After losing the golden chance to win ATP World Tour Final title, Federer stated, 'It is never fun on the not winning side, [but] it is better than not playing at all like last year," said Federer.

'This week was great, there were some crazy points tonight, but like plenty of times this year Novak deserved it. Well done on a crazy good year,’ Roger added.

Due to Federer's defeat in the ATP World Tour Final  of the year against Novak, Andy Murray, meanwhile, is guaranteed to finish a calendar year as the world No 2 player for the first time.