Sinner's Knee Woes: Zverev Gears Up for World No. 1

In a surprising twist, Jannik Sinner, the knee-wobbling wonder, had to withdraw from the Beijing Open, putting his World No. 1 dreams in jeopardy! Meanwhile, Alexander Zverev is ready to leap into action. If he wins in both Beijing and Shanghai, he could snatch the top spot! It's a thrilling race to the finish line!