Paris Masters quarter-finals: Andy Murray v Novak Djokovic
Defending champion Djokovic wins 7-5 6-2
World number one Djokovic leads head-to-head 15-8
Murray had won 20 of his last 22 matches
BBC Radio 5 live sports extra
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Here they are now, striding out amid raking lasers and booming bass at the arena in Bercy.
Andy Murray slaps string against palm, Novak Djokovic glugs some energy that is almost glowing in the dark it is such a vivid orange.
At the coin toss, there is a brief moment of confusion as Andy Murray calls tails and then is unsure if the side showing is the one he wants. Pesky Euros.
The umpire assures him that it is indeed tails and Murray will receive after the knock-up is done.
This might be just where the rot stops for Andy Murray though.
Since that defeat in China, Murray has found a groove he has been scratching around for all year.
Back-to-back tournament victories in Vienna and Valencia were followed by textbook dissections of Julien Benneteau and Grigor Dimitrov in his first two matches at the Paris Masters.
With his place at the World Tour Finals now bagged, Novak Djovokic is next in his sights in the French capital. The pair are due on court at any moment...
Image source, Getty ImagesThe trouble is the rivalry has been running in one direction recently.
In their last seven meetings, Andy Murray's only victory was that glorious day in the sun at Wimbledon 2013.
Just four weeks ago Djokovic put Murray to the sword, 6-3 6-4, straight sets, bish bash bosh to make the China Open final.
Image source, Getty ImagesSherlock had Moriarty, Tom had Jerry, Andy Murray has the Djoker.
Born a week apart, they first met at a junior event in France in 1998.
Murray left home for Barcelona to develop his talent, and, around the same time, Novak Djokovic departed his native Serbia to train in Munich.
Both turned professional and climbed the ranks together - Djokovic made the top 100 in July 2005, three months before Murray, and the top 10 in March 2007, a month before his rival.
They have contested four Grand Slam finals - winning two each, with Djokovic shading the head-to-head record 14-8.
It is a rivalry that will run and run and run and run and....