Jannik Sinner faces pressure from Alexander Zverev in ATP rankings

Jannik Sinner remains the world number one in the ATP rankings but faces potential challenges as he withdraws from the China Open, where he is the defending champion. Currently holding 11,500 points, Sinner's total will drop to 11,000. Alexander Zverev, ranked second with 9,690 points, could reduce the gap by winning the China Open and later at the Shanghai Masters, where Sinner's withdrawal could further influence the standings. Zverev aims to become the first German male to reach number one since Boris Becker in 1991 if the circumstances align in his favor.

• 2:00 AMYahoo Sports — How Jannik Sinner’s reign as world number one can end within the next month