Overview

• Sinner begins his title defense against Stefanos Tsitsipas on Wednesday at 18:30 Italian time at ANB Arena in Riyadh after retiring in Shanghai with cramps.
• The six‑player field features Carlos Alcaraz, Novak Djokovic, Alexander Zverev, Taylor Fritz and Tsitsipas, who replaces Jack Draper.
• If Sinner wins, he is slated to meet Djokovic in the semifinal, while Alcaraz awaits the winner of Zverev vs. Fritz on the other side of the draw.
• The event runs 15–18 October as a non‑ATP exhibition with no ranking points, using best‑of‑three sets and a schedule that avoids three straight match days.
• Reports differ on prize figures, with one outlet citing $6 million to the winner plus $1.5 million for participation and another reporting €6 million to the champion.