Novak Djokovic is set to make his 14th appearance at the ATP Finals, and his first at Turin.
The Italian is knocking on the door and considers it a privilege to face the Big Three, even in defeat.
"I strongly believe he's going to do it, he's going to win all four in one year," coach Goran Ivanisevic says of world No. 1.
The World No.1 is in line to achieve the Golden Slam, but Tokyo may not happen for Novak Djokovic.
"Sometimes the stars do align, you can chase after your dreams," says world No. 1 after Wimbledon win.
"I think I never had a better moment in my career," Karolina Pliskova said after her Wimbledon final loss.
The Serb says that Shapovalov has one of the best serves on tour and excels on grass.