Odds and preview ahead of day two
Day one was filled with upsets as Kei Nishikori scored a win over second-seed Roger Federer in the opening match.
What followed was an epic at the O2 Arena as Kevin Anderson won 12-10 in a second-set tie-break to overcome young upstart Dominic Thiem.
Today sees top-man Novak Djokovic take centre-stage after the competitive Alexander Zverev and Marin Cilic lock horns this afternoon.
Stay with us as we run through the two big clashes…
Alexander Zverev v Marin Cilic
This is sure to be a thrilling contest, and our traders agree.
Zverev starts at 4/5 to win with Cilic at Evens.
This is the second-straight year they meet in the London finals. Zverev won in three sets last year and also boasts a 5-1 winning record over his opponent.
It looks like the German could add another victory to his name, but Cilic does have the advantage of already having won a Grand Slam.
Zverev could win the match in under 21.5 Total games at 9/2.
But if it were to go the distance, Cilic’s experience could tell. He’s at 3/1 to win in three sets.
Novak Djokovic v John Isner
Djokovic could cap off a remarkable return to form and bag his sixth World Tour Final title.
Nole reclaimed his number one ranking on his way to winning Wimbledon and the US Open this season.
This all mean he’s 1/9 to secure a victory here.
He faces the powerful John Isner who has an often uncompromising style. The American did beat Zverev in the final of the Miami Open in a three-set epic, but this is a different proposition entirely.
Nine of the ten matches played between the two have had at least one tie-break.
A set 1 tie-breaker comes in at 5/4. Isner to pull off an upset is 10/3.
If you fancy wins for both Djokovic and Zverev in straight sets you can get enhanced odds of 19/5.
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All Odds and Markets are correct as of the date of publishing