Jannik Sinner passed his first test back on tour after a doping ban — a run to last weekend's final at the Italian Open, where his tennis felt good and looked good, and the statistics he studied afterward backed that up.
Now comes a whole new set of challenges for the 23-year-old Italian at the French Open, which begins Sunday: a crowd that could be pulling for his local opponents instead of for him; the extra rigors of best-of-five-set matches instead of best-of-three; the added pressure and importance of a major tournament.
