New U.S. Open champion Jannik Sinner is making big strides in a short amount of time. And he figures that bodes well for what’s to come.

After winning his second Grand Slam title and first U.S. Open crown, world No. 1 Jannik Sinner has earned a much needed rest. The 23-year-old Italian will next play at the China Open, which runs Sept. 26-Oct. 2 for the ATP Tour and Sept. 25-Oct. 6 on the WTA Tour.

The World Anti-Doping Agency (WADA) has three weeks to appeal the decision to exonerate US Open champion Jannik Sinner in his doping case.

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.

In the latest update to Jannik Sinner's doping saga, WADA (World Anti-Doping Agency) has asked for more documentation in the World No.

World No. 1 Jannik Sinner has officially been cleared of all doping charges. On Tuesday, Corriere della Sera reported that the World Anti-Doping Agency (WADA) will not appeal the decision of an independent tribunal that ruled Sinner "bore no fault or negligence" for failing two drug tests earlier this year.

Jannik Sinner started slowly at the U.S. Open, dropping the first set he played after being exonerated in a doping case no one knew about until shortly before play began at Flushing Meadows. If that episode initially hung over him during the tournament,