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Summary

  1. Roger Federer beats Tomas Berdych 6-4 6-2
  2. Djokovic beat Nishikori in first singles match
  3. Jamie Murray won doubles match earlier

Live Reporting

By Aimee Lewis

All times stated are UK

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That's the end of the first day of the ATP World Tour Finals. There'll be more on Monday, featuring Andy Murray and David Ferrer at about 14:00 GMT, and Stan Wawrinka and Rafael Nadal at about 20:00 GMT.

Thanks for joining us. We'll see you a little before 14:00 GMT tomorrow as Murray starts his campaign. 

Federer v Djokovic on Tuesday

Federer 6-4 6-2 Berdych

Federer will now have time to prepare for his next match, a potential humdinger against Novak Djokovic on Tuesday. Both were clinical in their opening matches. Djokovic, of course, will be favourite.

He's a man who is aiming to win a record fourth successive title, a man who lost only seven points on his serve in beating Kei Nishikori earlier 6-1 6-1. 

Federer beats Berdych

Federer 6-4 6-2 Berdych

Federer is still on court signing autographs, and there are quite a few people wanting the Swiss' signature on their super-sized tennis balls. Smartphones are capturing the moment, too. The Swiss signing everything in his sight, and posing for photographs. He might be there a while at this rate. 

Player reaction - Federer

Federer 6-4 6-2 Berdych

Roger Federer
Reuters

Roger Federer on receiving the fans' favourite and sportsmanship awards: "It's very special. I enjoy getting awards, especially ones by fans and fellow players. I try to do it with style, I play hard but it is nice to get this respect. I try to behave well to my opponents and the tournaments, but I used to be tough on myself.

Federer beats Berdych

Federer 6-4 6-2 Berdych

Russell Fuller

BBC tennis correspondent

The 13th year in a row he's won the favourite player award. Give someone else a chance please, Roger!

Federer beats Berdych

Federer 6-4 6-2 Berdych

Federer steps back on court to receive two prizes, one being the fans' favourite award and other the Stefan Edberg sportsmanship award. They're two beautiful deep glass vases, just the job for a bowl of punch during a Christmas party.

Federer beats Berdych

Federer 6-4 6-2 Berdych

Piers Newbery

BBC Sport at the O2 Arena in London

It might be just what Federer was after, and fun for his multitude of fans, but another one-sided match to follow Djokovic's earlier demolition of Nishikori is not great for the tournament. 

Last year's group stage did not see a three-set match until the final round, and only one set went to a tie-break. It is a mark of how big a gap there remains between the good and the great, but we could do with a bit more competition in the early stages this year.

Jamie Delgado

Former Great Britain Davis Cup player on Radio 5 live sports extra

Roger Federerand and Tomas Berdych shake hands
Getty Images

It's been an excellent day for both Federer and Djokovic. Federer started slowly but once he got going he looked in great form. He was moving so well, and what a match we'll have when those two face each other on Tuesday.

Game, set and match

Federer 6-4 6-2 Berdych

Roger Federer waves
Getty Images

Federer gliding around the court, regal in his shot-making. The Swiss places a volley into the corner to level at 15-15, then produces a couple of dazzling serves to bring up two match points. A fourth ace of the match. Federer dominant. 

Berdych, though, wants to prolong this party, erasing one match point, but on the next point Federer secures victory, serving wide to finish off Berdych after just 69 minutes. 

*Federer 6-4 5-2 Berdych

A thunderous forehand into the corner from Berdych secures the Czech a hold to love, but he's just delaying the inevitable. Just a matter of time before he's shaking hands with Federer at the net. 

Jamie Delgado

Former Great Britain Davis Cup player on Radio 5 live sports extra

Federer has such a beautiful serve. It's not the fastest but it's all about the placement, especially on the second serve where he finds great angles to open the court up for himself.

Federer 6-4 5-1 Berdych*

Berdych makes the most of a weak Federer second serve to battle to 30-30, but the Swiss responds with a clinical ace down the 'T' for a 40-30 lead. If there was hope for Berdych, there certainly isn't now as the world number three delicately places a backhand out of his reach. The Swiss one game from victory. 

*Federer 6-4 4-1 Berdych

Tomas Berdych reacts
Getty Images

Berdych isn't amused but the spectators are very much entertained as Federer produces another delicate backhand dropper to open the game. 

That shot seems to have stirred something in Berdych as he rattles off two beefy serves to nudge 30-15 ahead. But the Czech can't seem to shake Federer off his tail. 

But at 30-30, Berdych comes up with another booming serve and the 30-year-old keeps the points short to succeed where previously he has failed. 

Federer 6-4 4-0 Berdych*

An admiring intake of breath from the crowd as they watch a dreamy backhanded dropper from Federer. There's no neutrality inside the arena. Swiss flags are being waved. Decibels rising as the Swiss proceeds to 40-0. Berdych fails to keep the next return on target. Federer cruising. 

Jamie Delgado

Former Great Britain Davis Cup player on Radio 5 live sports extra

Roger Federer
Rex Features

Federer is taking the ball early on return and is firing the ball back, moving Berdych from side to side and making him rush his shots. The Czech is making too many errors now.

*Federer 6-4 3-0 Berdych

Federer breaks

Federer keeping the ball low, which is a canny ploy against the giant Czech. Berdych drags himself back into contention at 30-30, but he has the body language of a man who is climbing Everest in flip-flops. He knows it's not end well, but he's going to halfheartedly give it a g anyway. 

To deuce we go. Berdych long, long, long. Break point Federer. 

A nervy baseline slug-fest ensues... from tramline o tramline they go.. who will falter? Berdych goes for broke, and misjudges the forehand... 

Federer 6-4 2-0 Berdych*

Federer, break in the bag, is untroubled on his serve. It's only at 40-0 that Berdych ignites some sort of a rally, but it ends as quickly as it started with a Berdych forehand into the tape and it could soon be goodnight Vienna. 

*Federer 6-4 1-0 Berdych

Federer breaks

Berdych hasn't won his opening round-robin match in five of his previous season-ending tournaments, and he needs a dramatic change in fortunes if he is to come away with a win tonight. 

The crowd with a first chance to holler and whistle in admiration at a series of eye-catching shots... Berdych, backpedaling, scooping a shot over his shoulder... Federer at the net, waiting to pounce with a volley. The crowd enjoyed it. 

From 30-30 to break point Federer. The Swiss returning the Berdych serve with ease, and the Czech sleepily directs a forehand into the tape to gift the former champ the game. 

Piers Newbery

BBC Sport at the O2 Arena in London

Tomas Berdych streches
Getty Images

It's hard to look menacing in beige, and Berdych showed a familiar frailty at the decisive moment with a flurry of errors to hand over the set. A man in front of me stands up to reveal the word 'ROGER' emblazoned across the back of his red shirt. I've yet to see a 'TOMAS'.

Game and first set

Federer 6-4 Berdych

Roger Federer fist pumps
Getty Images

Federer hasn't been at his best in this match, yet he finds himself serving out the set. The Swiss serving with the accuracy of his country's clocks, advancing to 40-0 with little fuss. 

Berdych with plenty of time to place a thumping forehand beyond Federer, but he needs to produce those sort of shots on a more consistent basis. The Czech, on the next point, with oodles of time, rashly swings at a forehand which bounces long and that's that. 

Piers Newbery

BBC Sport at the O2 Arena in London

It's hard to look menacing in beige, and Berdych showed a familiar frailty at the decisive moment with a flurry of errors to hand over the set. A man in front of me stands up to reveal the word 'ROGER' emblazoned across the back of his red shirt. I've yet to see a 'TOMAS'.

Jamie Delgado

Former Great Britain Davis Cup player on Radio 5 live sports extra

Tomas Berdych serves
Getty Images

That was a very poor game on his serve from Berdych. Federer made him play but he was his own worst enemy.

*Federer 5-4 Berdych

Berdych in trouble, staring at a 0-30 deficit, and the nervous whispers of the sell-out crowd can't be helping the Czech. The sixth seed is wobbling, swinging wildly at a forehand, presenting Federer with three break points and the Czech then falters at the net. Federer to serve for the set. 

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#bbctennis

Matt McGladrigan: I genuinely think every match I've seen Berdych play this year, he's moaned about the tennis balls to the umpire.

Federer 4-4 Berdych*

Beautiful! Federer threads a forehand winner down the line which kisses the paint. A marvelous  way to open the game. The Swiss races to a 40-0 lead but his charged is halted with a serve-volley which doesn't quite go to plan. 

One point nicked, but can Berdych steal any more? No, no, no. Federer shuffles at the back of the court, swings loose and free to produce an irretrievable forehand winner. 

*Federer 3-4 Berdych

Roger Federer hits a backhand
Getty Images

This match has yet to fully burst into life. Sloppy errors from both players giving it a staccato feel. One of the match's lengthier rallies ends with a malfunctioning Federer backhand - 30-15 in Berdych's favour - and the 30-year-old goes on to hold with little fuss. 

Jamie Delgado

Former Great Britain Davis Cup player

Federer has had three doubles faults already - sometimes it takes him three matches to hit that number.

Federer 3-3 Berdych

Tomas Berdych
Rex Features

Berdych unable to make the most of the opportunity presented to him, allowing Federer to match on from deuce untroubled. 

Federer 2-3 Berdych*

Wilson Pickett's Land of a 1000 Dances rings around the stadium as Berdych sinks his fingers into an ice packet. Whatever is troubling the sixth seed it doesn't delay him long as the pair are soon in position again, eyeing each other from each end. 

At 30-30, Berdych fails to do damage on Federer's second serve, scooping his return into the tramlines. The Swiss, though, not in total control and a double fault allows Berdych back in the game at 40-40. 

*Federer 2-3 Berdych

Roger Federer hits a forehand
Getty Images

Berdych pinning Federer to the baseline with a series of brutal blows and, eventually, the Swiss crumbles. Berdych a point away from holding. He's had to dig deep and we're only five games in.

Fine returning from Federer, forcing a statuesque Berdych to net. From deuce to advantage, though, plenty of juice on that 145mph Berdych serve, and he wraps up the game with a booming ace down the 'T'. That was the confidence-boosting hold the Czech needed. 

*Federer 2-2 Berdych

Tomas Berdych serves
Reuters

Federer is the player coming out on top of the lengthier rallies, Berdych faltering at 0-15 by slapping a simple forehand into the barrier. The Czech in trouble at 0-30 down, but dances into the middle of the court and dazzles with an inside-out forehand into the corner. 

But the Czech is perhaps trying a touch too hard. He steps in, balloons a forehand long when he had the freedom of the court. Two break points Federer. 

The serve comes to Berdych's rescue. One break point saved. An iffy Federer return allows Berdych to serve and volley out of trouble. To deuce we go. 

Federer 2-2 Berdych*

Tomas Berdych hits a return
Getty Images

Berdych's outfit, as is almost always the case, is a peculiar one. He's stepped out, in public, wearing light brown shorts, which have a darker, muddy brown, strip down the side, although it's not as bad as Coventry's away strip of the 70s. While I've been concentrating on Berdych's attire, Federer is fully focused on the match, holding to love with ease. 

*Federer 1-2 Berdych

Federer breaks back

Berdych is dragged to the tape, the beanpole Czech with a touch too much adrenaline on a volley which bounces beyond the baseline and the crowd cheer as they see their man go 0-30 ahead. 

Federer upping the ante from the baseline, hitting at his opponent with venom and Berdych, footwork all wrong, plonks a forehand into the net. 

The Swiss, the six-time champ, has three break points... the crowd are rooting for him to take his chance, and he does with a feather-soft drop shot, Berdych attempts to chase it but he slips on the baseline. Game over. 

Jamie Delgado

Former Great Britain Davis Cup player on Radio 5 live sports extra

If Berdych is going to have any success, he's going to have to be very accurate with his first serve. He's also going to have to try and control Federer's forehand. But it's been a very tentative start from Federer.

Federer 0-2 Berdych*

Berdych breaks

Roger Federer
Reuters

Federer, dressed in navy and black with light grey trainers accentuating the look, coughs up two successive double faults and slips to 0-40. Federer not so much slow out of the blocks but yet to arrive at the blocks. 

Berdych with three break points. Federer with a backhand into the tape. A surprising start. 

*Federer 0-1 Berdych

Plenty of slice and dice on Berdych's opening serve, which gets the better of Federer. 15-0. Simple. No dramas to talk about yet as the Czech effortlessly holds serve, another boomer out wide takes him to 40-15, and he follows up with a crunching first serve which Federer pushes into the tramlines. 

Roger Federer sipping juice, Tomas Berdych closing his eyes and taking deep breaths... both players going through their final preparations before battle commences. Berdych to serve first... 

Berdych in good company

Tomas Berdych's career stats do not compare with Roger Federer's, but no-one's does. The Czech, though, has played well since the US Open in September, enjoying a 12-4 win-loss record and securing titles in Shenzhen and Stockholm. 

The 30-year-old's sixth appearance in this tournament is also a significant one as Ivan Lendl is only other Czech player to qualify six or more times, with Andy Murray's old coach making 12 appearances. 

Tomas Berdych
BBC Sport

Federer supreme indoors

Roger Federer is peerless on hard courts, he's also peerless under canvas. The Swiss has only lost 64 of his 325 matches indoors - which is the best career match-winning percentage indoors among active players. But let's stop with these sort of stats otherwise Tomas Berdych, if he's reading, which he isn't, definitely isn't, might pack his bags and walk out. 

Roger Federer
BBC Sport

Federer the dominant force

No-one has played in more ATP World Tour Finals, won more titles, won more matches or more prize money at the season-ending finale than Roger Federer. Take a bow, Roger. 

The Swiss is playing in a record 14th consecutive year at these year-end championships, has won the title six times, experienced victory on 48 occasions and cashed in $13,171,000 in the process. 

And even though he's getting on a bit - at 34  the world number three is oldest player to qualify since Andre Agassi (35) in 2005 - he's still the favourite to beat Berdych.

Roger Federer
Getty Images