Novak Djokovic v Roger Federer, ATP World Tour final – in pictures

The O2 Arena in Greenwich, London, is the setting for the final match of the men's tennis season Photograph: Tom Jenkins

And here are the two men who, predictably, are contesting the ATP World Tour final Photograph: Tom Jenkins

The world's No1 player Novak Djokovic waits in the tunnel before emerging for the match against Roger Federer
Photograph: Tom Jenkins

Among the spectators is Roma's Francesco Totti
Photograph: Tom Jenkins

Federer, who has won the last two end-of-season titles, starts the better
Photograph: Tom Jenkins

... and he breaks Djokovic's serve early in the first set
Photograph: Tom Jenkins

Djokovic is feeling the heat but he counters in game five despite his opponent's apparent supremacy on the indoor court
Photograph: Tom Jenkins

The set goes to a tie-break
Photograph: Tom Jenkins

... and despite Federer playing one of the shots of the set, a forehand winner, Djokovic emerges victorious Photograph: Tom Jenkins

The Serb just wouldn't give up on so many shots that seemed like lost causes, as this pic shows Photograph: Tom Jenkins

After a titanic opening game in the second set, the two look inseparable
Photograph: Tom Jenkins

But Djokovic, who has hardly had the upper hand in this match, keeps himself in contention and eventually earns match point on Federer's final service game
Photograph: Tom Jenkins

He wins the title with the sweetest of backhands
Photograph: Tom Jenkins

That's his 75th win from 87 matches this season
Photograph: Tom Jenkins

Djokovic seems thrilled as he celebrates in front of his family and friends
Photograph: Tom Jenkins

Federer, meanwhile, looks deflated
Photograph: Tom Jenkins

Djokovic still looks shocked as the trophy presentation begins
Photograph: Tom Jenkins

Djokovic has won only one major this year but he finishes the year as the world No1
Photograph: Tom Jenkins

It's been a fitting conclusion to a dramatic season Photograph: Tom Jenkins