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GENEVA — The World Anti-Doping Agency has yet to decide whether to appeal the decision to exonerate U.S. Open champion Jannik Sinner of blame for his positive steroid tests, and has another three weeks to do so.

WADA shared details of the appeal deadline with The Associated Press on Tuesday showing that the World Anti-Doping Code — the global set of rules for international sports — gives the Montreal-based agency at least until the end of September to file an appeal in the Sinner case.

WADA and Nado Italia...