#4 Novak Djokovic vs Kevin Anderson

The second semi-final will feature top-seed and 5-time champion Novak Djokovic battle against oldest first-time semi-finalist South African Kevin Anderson.
In what will be a repeat of the Wimbledon final match-up, Anderson will look to avenge his loss and extract revenge. Anderson has had a terrific year finishing runner-up at Wimbledon and cracking the Top-6 of the ATP rankings for the first time.
After beating Dominic Thiem and Kei Nishikori comfortably in his opening two matches, Anderson was in pole position to win the group. However, things didn't pan out as he expected as a resurgent Roger Federer beat him comfortably meaning that Anderson finished the Lleyton Hewitt Group in second place.
Djokovic who has been in sparkling form since Wimbledon has had a meteoric rise of sorts from being ranked outside the Top-20 to rising to the top of the ATP rankings. The Serb who is the only man in the tournament to have not lost a single match so far is gunning for history as he attempts to equal Roger Federer's record tally of 6 ATP Finals titles.
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