Barry Cowan, Jamie Delgado and Annabel Croft feel six-time ATP Finals champion Roger Federer will "comfortably" defeat David Goffin on Saturday.
Barry Cowan and Jamie Delgado believe Jack Sock has the momentum to make it through Saturday's semi-final against opponent Grigor Dimitrov.
Annabel Croft and Barry Millns are undecided over whether Dominic Thiem or David Goffin will win on Friday.
Jamie Delgado and Greg Rusedski are torn between who they think will come out on top of the winner-takes-all encounter between Alexander Zverev and Jack Sock.
Fast court conditions at The O2 Arena will play into Grigor Dimitrov's hands when he comes up against David Goffin, say Annabel Croft and Greg Rusedski.
"Rafa has a lot more majors and a lot more great tennis ahead of him," Greg Rusedski believes Rafael Nadal will hopefully be back stronger than ever in 2018.
"This is a wonderful opportunity to showcase the huge talent he has," Barry Cowan and Leif Shiras look ahead to Alexander Zverev's clash with Roger Federer.
Check out how our Sky Sports pundits think the season-ending ATP Finals will go when it gets underway on Sunday and cast your vote for the eventual winner.
Maria Sharapova is ready to challenge for Grand Slams again following her first title since her return, according to Annabel Croft.
Greg Rusedski believes Roger Federer wants to be remembered as the greatest tennis player of all time.
Annabel Croft believes firebrand Australian Nick Kyrgios has a long way to go before he can really start challenging the very best players in the world.
World No 1 Rafa Nadal could add "at least four or five more Grand Slam titles", says Leif Shiras.
"Andy will come back even more hungry than ever" - Mark Petchey feels former world No 1 Andy Murray will be a different animal when he returns.
We've asked our expert Mark Petchey to run the rule on the final four men standing at the US Open. Who will be the King of New York on Sunday?
In the most unpredictable US Open for years, we've asked Barry Cowan for his analysis of everything that's been happening at Flushing Meadows.
Who does Barry Cowan think will come good at the US Open? We've asked him all the key questions ahead of the final Grand Slam of 2017.
"A guy that's consistently making the impossible seem very possible so it's remarkable to watch," Mark Petchey hails Roger Federer.
Barry Cowan says Marin Cilic is perfectly capable of spoiling the party, but the Croatian cannot "back off" otherwise Roger Federer will pounce.
Andy Murray has been unlucky with illness and injury but "is a victim of his own success", believes Barry Cowan.
Jo Konta will need to play her best tennis "because it's going to be the defining thing about the next couple of matches," believes Mark Petchey.
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