The 26-year-old has 7,045 points to overtake Swiss great Roger Federer, who is currently out with a knee injury and intending to return for the grass season from June.
Serbia's Novak Djokovic in action during his Semi Final match against France's Gael Monfils at Dubai Tennis Championships, Dubai Duty Free Tennis Stadium, Dubai, United Arab Emirates, Feb 28, 2020
Novak Djokovic remains top on 10,220 points. The Serbian has won the Dubai title at the weekend to extend his unbeaten start to the season.
Spain's Rafael Nadal is second on 9,850 points.