The match between Jannik Sinner and Stefanos Tsitsipas at the Six Kings Slam 2025 will take place on Wednesday, October 15, 2025. It is scheduled to start around 20:00 (8:00 PM) Italian time, after the Fritz-Zverev match. The event will be held at the ANB Arena in Riyadh, Saudi Arabia, and this is an exhibition match without ATP points but with a significant prize. You can watch the match exclusively on Netflix.

Regarding the meaning of the words you provided:

• "sinner" in English means a person who commits sins.
• "tsitsipas" refers to Stefanos Tsitsipas, a professional tennis player from Greece.
• [quando](javascript:void(0)) means "when" in Italian.
• [giocano](javascript:void(0)) means "they play" in Italian.

So "quando giocano" translates as "when do they play?" in English. Let me know if you want more detailed information.