Overview

• Jannik Sinner stopped in the third set against Tallon Griekspoor with severe right‑thigh cramps after punishing heat and humidity in Shanghai.
• The 950‑point loss widens Carlos Alcaraz’s lead, with published scenarios indicating he may need only modest results in Paris‑Bercy and at the ATP Finals to clinch year‑end No. 1.
• Sinner’s medical status remains unclear, leaving questions about his readiness for Turin and the start of 2026.
• Novak Djokovic is the highest‑ranked player left in the draw and faces Jaume Munar in the last 16 as he pursues a fifth Shanghai title.
• Alexander Zverev fell to Arthur Rinderknech after alleging court‑speed favoritism toward Sinner and Alcaraz, then said he lacks confidence and continues to deal with back problems.