Right, I'm off. Thanks for joining us for Murray's victory in Shanghai. There's more live sport in offer from the BBC in the shape of football, which you can find here.
I'll see thee.
Murray signs the TV camera - as is the now traditional way in tennis - to mark his victory and sixth title of the year. He has now won this tournament three times. It is going to take an awful lot to beat this fella now.
Novak Djokovic now has just 915 points buffering his world number one ranking.
And that is that. Murray takes the game to love, underlining his authority with some 100mph second serves and ground-strokes that Bautista Agut can't live with. He closes it out with an overhead smash.
Bautista Agut is a broken man now as Murray's charge towards this title continues. The Scot somehow gets himself out of jam, chasing balls short of and over him to go 30-15 up before closing the game out with a lovely cross-court shot and an unforced error into the net from the Spaniard. The Scot is one away, serving for victory.
Consistently, Murray has more ideas once the two get deep into a rally. Bautista Agut has occasional moments of invention and power - as demonstrated by the neat drop shot and cross-court forehand that enable him to level up at 15-15 and 30-30. But when it really matters, Murray is making more shots and fewer errors.
Just as the window of opportunity sneaks open for Bautista Agut, Murray closes it again. The Scot loses the first point courtesy of another badly miscued forehand, but wins the next four - the last two coming from successive double-faults from the Spaniard. That is gonna sting.
Murray is not happy. He goes down 0-30 after failing to reach a ball on the umpire's side and takes the opportunity to suggest an early call for a first-serve review from Bautista Agut may have come a tad late.
He is even less happy when he loses the game. He manages to save one break point at 40-15 but makes an absolute hash of rescuing a second, hooking his shot horribly when he seemed to be an advantageous position centre court.
Bautista Agut is fading fast. After Murray wins the first point, the Spaniard has a huge chance to pull level but puts his volley wide with the whole court open to him. It is a huge moment as Murray is then able to close out the game through two further enforced errors.
This could be over very quickly now.
BBC tennis correspondent
What a spectacular tiebreak by Murray - he won 11 of the last 12 points of the set having been broken back. Murray has so many recent memories of coming through tight situations with flying colours. Bautista-Agut will have to unleash plenty more firepower in the second set.
So, Murray is now 19-0 for sets in Beijing and Shanghai in 2016. He is quickly off in the pursuit of making that 20-0 with a strong service game. Bautista Agut wins his first point in a while courtesy of a powerful forehand to delay the inevitable and make it 40-15, but Murray responds with a soul-crushing ace.
The 2016 Visually Impaired and Blind National Tennis Championships are taking place at the National Tennis Centre in Roehampton today.
Watch some of those who take part in regular blind tennis sessions in London and their appreciation of the people helping make it happen.
Do you know a local sports volunteer who deserves some much-needed recognition?
Nominate your local BBC Unsung Hero here - but hurry as entries close on Sunday, 23 October!
Andy Murray's five titles in 2016:
ATP World Tour 1000 Masters Rome (beat Novak Djokovic 6-3 6-3 in final)
Aegon Championships/Queens (beat Milos Raonic 6-7 (5-7) 6-4 6-3 in final)
Wimbledon (beat Milos Raonic 6-4 7-6 (7-3) 7-6 (7-2) in final)
Rio Olympics (beat Juan Martin del Potro 7-5 4-6 6-2 7-5 in final)
China Open (beat Grigor Dimitrov 6-4 7-6 (7-2) in final)
Halfway there. Murray made much harder work of that first set than he needed to but he gets there in the end.
It is a testimony to his temperament and ability to shift through the gears. Bautista Agut simply couldn't live with the Scot in the tie-break.
Bautista Agut shows some fight in a long rally but Murray takes it as the Spaniard hits his forehand from the baseline into the net. The Scot gives himself five set points by winning a second long rally - Bautista Agut's backhand return floating wide.
This set is slipping away from Bautista Agut now.
Murray responds, winning both his service points - the first a brave cross-court backhand that Bautista Agut puts into the net, the second a wide serve the Spaniard can't return.
A misjudged attempted lob from Murray gives Bautista Agut the first point of the tie-break.
Good response from Murray. He silences the fury in his own head with his own win to love. Three straight aces do the business.
Well, this match has turned around very quickly. Bautista Agut makes light work of the game, winning it to love. Murray still looks rattled by the previous game. He needs to clear his head quickly.
"Why?!!!" screams Murray. At himself.
He looks to have the game in the bag at 40-15 but somehow engineers deuce following some pretty standard returns from Bautista Agut.
After cancelling his own ace out with a double fault, Murray then ill-advisedly charges in and is caught out at his own toes before Bautista Agut levels things up with a forehand. This Spaniard is not for folding.
Bautista Agut keeps the set alive. Only just, though. Murray is making him work for every point, repeatedly salvaging points when they have seemingly gone. The Spaniard gets a big slice of luck when his drop shot catches but sneaks over the net to give him a 40-30 lead from which he seals the game. Murray serving for the set - it'll be his 19th won on the trot over both this tournament and the China Open.
Taylor Swift's 'Shake It Off' plays in the stadium as the players take on some fluids. Bautista Agut needs to heed the advice. His chances in this final very much depend on how he responds to this first bit of adversity.
Credit to the Spaniard, who takes the game to deuce, despite losing a remarkable point that sees Murray twice fend off two point-blank forehands and somehow steer the ball into in-court space.
It is Murray who comes through strongest, though, to put daylight between the two players.
Advantage Murray. Bautista is giving as good he gets in the baseline rallies but Murray has the extra ideas and skill to execute them. The Scot demonstrates this with a wonderful soft touch to beat the Spaniard, who had misjudged his own drop shot. It gives the world number the platform and he doesn't disappoint, winning the next two points to bring about the first service break of the match.
We stay on serve. Murray has to dig deep, though. A wide forehand has Murray shaking his head in self-admonishment at 15-30 down and coach Jamie Delgado clapping encouragement from the sidelines. He looks to be on course until an unforced error into the net takes the game to deuce. Angered, Murray closes it in two points courtesy of a couple of big forehands.
Brilliant game. Murray wins a lengthy rally to go 30-0 but loses the next three points - prompting the first swipe at the surface with his racquet from the Scot. He manages to salvage deuce but a lovely little dink over the net from the Spaniard, who had somehow managed to reach Murray's powerful cross-court return, sets him up to keep the match on serve.
Murray just shaking off some stiffness. There are gasps from the crowd as he double faults - it is a big shock, such is the Scot's form this year. But he makes amends quickly, racing through the last three points of the game to level matters up again.
Andy Murray is not the only British player in a final on Sunday, either...
Naomi Broady and Heather Watson are due on court any time now in the women's doubles final at the Hong Kong Open..
They face top seeds Chan Yung-jan and Chan Hao-ching of Chinese Taipei in their first final as a pair.
Bautista Agut demonstrates that this is not going to be a straightforward romp to victory for Murray. The Spaniard holds to love. Murray's only real chance came during a second-point rally that ends with an unforced error from the Scot into the net. It provokes the first mini bout of baseline chuntering.
Jamie Ramsay: Good luck Andy. That No.1 spot is getting closer & closer And we all know you deserve it...
Folarin Olawale: Andy Murray is playing with his heart and brain. I think he want the world No.1 spot.
Powerful stuff from Murray. He starts with a pounding ace - his 23rd of the tournament - and is then way too strong for his opponent with some crushing forehands to take the game 40-15.
So, who is Roberto Bautista Agut? Well, he is a 28-year-old Spaniard with four career titles to his name, two of which have come this year, in Sofia and Auckland (his other two were both in 2014 - the year he was voted the ATP's most improved player).
He is currently ranked number 19 in the world, having reached a career high of 14 around this time two years ago. He is the first Spaniard younger than Rafael Nadal to get inside of the top 20.
Bautista Agut is clearly a bit of a Sport Billy. Until the age of 14 he was playing football with Villarreal before deciding tennis was for him.
He has recent unhappy experience against a Brit. Earlier this month, he was knocked out of the China Open in the round of 16 by Kyle Edmund. In the next round, Edmund lost to - you guessed it - Andy Murray.
The Spaniard holds his first service game. He gives Murray a sniff with an early double fault and then a long forehand but Murray's error - sending the ball beyond the baseline - ensures Bautista Agut takes it.
We've got a decent crowd in a hot and humid Shanghai for the final. The smart money is on Murray winning this in straight sets. Let's find out how smart that money actually is...
Murray has played Bautista Agut twice before. He has won both encounters without dropping a set.
The first came at Wimbledon in 2014, when Murray claimed a 6-2 6-3 6-2 victory. The second was on clay in Munich, Germany the next year when the Scot won their semi-final clash 6-4 6-4 before going on to beat Philipp Kohlschreiber in the final.
BBC tennis correspondent
Novak Djokovic has experienced a strange sensation in recent months. Unable to bend matches to his will on a regular basis, as he did so relentlessly in an extraordinary period of domination, his frustration has become evident.
Andy Murray, meanwhile, who has been the best player in the world for the past four months, looks increasingly like the man who will officially succeed Djokovic at the top of the rankings. April 2017 would still be my best bet, but if Murray beats Bautista-Agut in Sunday's final then claiming the year end number one ranking will still be in his sights.
Murray reached his 10th final of the year with a determined 6-4 6-3 semi-final win over France's Gilles Simon.
The 29-year-old Briton, seeking his sixth title of the year, hadn't lost a game on serve until Saturday but was broken in the first game of the match, setting the tone for an opening set that saw six breaks of serve.
Having lost the first set, Simon fell to 5-1 down in the second but fought back well, making Murray ultimately work hard for his win.
Djokovic took his frustration out on his racquet and shirt yesterday as he lost 6-4 6-4 to world number 19 Bautista Agut in the semi-finals on Saturday.
Having ripped his shirt open in frustration, the 29-year-old Serb was further incensed at receiving a time violation when changing into a new one, raising the point forcefully with umpire Carlos Bernardes at the end of the match.
Earlier, Djokovic had failed to take the two break-point chances he was able to create in the opening set, with his opponent instead seizing the opportunity, prompting the 12-time Grand Slam title winner to smash his racquet to bits.
It is Andy Murray's stated ambition for the 2016 season to chase down and replace Novak Djokovic as the world's number one tennis player. Today will take him closer to his goal.
If the Scot beats Spain's Roberto Bautista Agut he will be just 915 points behind Djokovic in the annual rankings points.
It looks like the pressure might just be starting to tell on Novak...
Watch out Novak...
Andy's coming for you!