Andy Murray beats David Ferrer 6-4 6-4
Britain wins opening match in his group
Wawrinka v Nadal at 20:00 GMT
That's one victory in the bag for Murray. Another win against either Stan Wawrinka or Rafael Nadal and the Scot will end the year as the world number two.
There isn't much more to say - these entries aren't currently being published - so we'll say goodbye for now and hope for a more successful live text night this evening when Rafael Nadal takes on Stan Wawrinka at 20:00 GMT. See you in a bit.
Andrew Castle
BBC Sport commentator on BBC Two
Quote MessageApart from one lapse of concentration that was a very impressive performance from Andy Murray. He had to focus hard in the second set to get the job done.
Murray 6-4 6-4 Ferrer
Ultimately, it was a straight-forward victory for Murray. He fought back in the second and was ruthless towards the end. Ferrer offered plenty, but his serving was off key - eight double faults in total, only 49% of first serves in.
An enjoyable match, though it matters little what I write because those gremlins are still playing havoc, ruining an afternoon's work. Sorry about that.
Image source, Getty ImagesIs this it? Is this where Murray pounces? The Scot is 0-30 up...
But he overcooks a forehand to end a lengthy rally and all Murray can do is bite his clenched fist at an opportunity missed. 15-30.
Ferrer gambling like a high roller in a Las Vegas casino on the next point, swinging loose - but he's wide! Two match points for Murray.
A smash from Murray... Ferrer scampers, hanging on... but another overhead secures the win.
Murray's wife, Kim, applauds from the sidelines as she watches her husband go 30-0 ahead. Ferrer full of willing, chasing every shot, but Murray's placement is too good, another dropper for a 40-0 lead.
Ferrer grabs one point, but that's as good as it gets for the Spaniard as Murray launches a curling bouncer of a serve to confidently end the game.
Heather Watson
British number two on Radio 5 live sports extra
Quote MessageThese two are hitting the ball so hard, with all the strength they have, rather than just placing it. It's very impressive.
Murray whispers something to himself during the changeover, attempting to find Zen-like calm perhaps as the set reaches its crescendo.
The Scot opens with a magical drop-shot, making a muggle out of the chasing Ferrer. He nicks one point, then another for a 0-30 lead (he's won 14 of the last 17 points available).
But a slapped forehand into the net has the Scot shaking his head, asking his camp "why". 15-30. A Murray return goes long 30-30.
We're at the critical stage. Murray slipping up, returning into the net. 40-30. Murray muttering. Opportunity missed? Yes. A baseline slug-fest ensues, hearts beating faster and faster, until Ferrer ends it all with a walloped forehand into the corner.
Murray's game now has added verve. The Scot now oozing confidence, sensing he can do this in two sets. He's serving with accuracy and Ferrer is unable to do any damage on the returns. Murray holds to 15 and is ahead in the set for the first time.
Image source, Getty ImagesMurray breaks back
Ferrer, strands of mane flopping over his red bandana, looking like the tennis streetfighter that he is, could be in trouble here. He's 15-30 down and, unable to reach a Murray drop-shot, which was full of spin and dice, he faces two break points.
Murray, eyes widening, mind muddled with endless possibilities, proceeds to the tape... the point is his for the taking, but he nets a simple backhand volley. One more shot.
Ferrer hanging in, but his resistance is paper thin, netting a volley and Murray flexes his muscles, shows off his guns in the 02 din.
Image source, AFP/GETTYAs we move to the fifth game of the second set, with 65 minutes having elapsed, this match is now longer than Novak Djokovic's 6-1 6-1 thumping of Kei Nishikori on Sunday. So there.
Moving on. Murray is at 40-15 and secures the hold when Ferrer's forehand dribbles into the tape. The Scot hanging in there, but he needs to break back soon.
Image source, AFP/GETTYApparently there are gremlins in our computer system, which means these updates are being published rather tardily. Nevertheless, we'll carry on, pretending everything is a-ok. Though the chances are you probably aren't reading this... Anyway...
Beautiful from Murray - a looping lob which leaves Ferrer stranded in the middle of the court. Ferrer a little rattled, talking to himself at 30-30, another double fault proving his downfall.
But he produces an unstoppable forehand into the corner and comes through a mini blip.
Image source, AFP/GETTYA crunching backhand winner down the line earns Murray a 30-0 lead, and the admiration of the crowd. Fewer mistakes in this game which, inevitably, means the Scot comfortably holds, to love in fact.
Image source, Getty ImagesWonderful retrieving from Ferrer and all Murray can do is watch a whipped passing shot fly by and curl in on the paint. Murray's smiling on the outside, but inside his soul is probably growling. From 15-15 to 30-30 before Ferrer coughs up a double fault for deuce.
Ferrer turning the screw, punishing Murray's weak dropper with an irretrievable crosscourt winner. Ole! The Spaniard on the up, and secures his break advantage.
Image source, ReutersUgly from Murray. After securing the first set the throws the first game of the second away. His forehand bounces beyond the baseline and Ferrer breaks to love.
Image source, APMurray the favourite from here on? You'd have thought so. The Scot has an 11-6 record against Ferrer, and has won their last four matches including a straight-sets victory in Paris earlier this month.
The Briton, though, hasn't been all too successful at the 02, making the semi-finals just twice in five appearances in London.
But today, this afternoon, the Scot's plan is going swimmingly. Well, sort of. Ferrer has nicked the opening two points, Murray's shaking his head...
Murray serves and volleys. Well, he serves. The volley doesn't quite work and Ferrer has three break points.
Image source, ReutersHeather Watson
British number two on Radio 5 live sports extra
Quote MessageMurray is so consistent and beats everybody he is supposed to beat. When he lost to Kevin Anderson at the US Open it was a big shock because of that. It's amazing how he beats these tough players week in, week out.
Who should be British number two in the Davis Cup final?
Luke Nicholson: If Bedene can play he's the quality option. If not, Ward is the equivalent of Poulter at a Ryder Cup, got to be him.
Johny Ray:#jamesward, external would get my vote. Point to prove after being dropped. Back on form again. Big match player when needed.
Russell Fuller
BBC tennis correspondent on Radio 5 live sports extra
Quote MessageNeither of these players has lost a match this year when they have won the first set.
Murray 6-4 Ferrer
Ferrer must hold this one otherwise Murray takes the first set, and we all know what happens when the Briton secures the opening set. He wins the match.
At 15-15 it's difficult to know which way this will swing, but then Ferrer runs around to his forehand and clumsily adds too much power to his shot. A whiff for the Scot at 15-30?
The crowd purr as Murray advances to the tape and places a deep volley beyond Ferrer's reach. Two break points. And the Scot needs just the one!
Image source, AFP/GETTYWho should be British number two in the Davis Cup final?
Jack Haugh: For the Davis Cup, does the number two pick really matter? Murray should win both ties which then means the doubles rubber is the key.
Rob McLeod: It really doesn't matter who is picked, it's all on Murray. Give Henman a run out.