Naomi Osaka, the four-time Slam champ, just got real about her toughest rival yet—postpartum depression after baby Shai’s birth. In her new doc trailer, Osaka admits feeling lost and overwhelmed, saying her world turned gray. Now, she’s back on court at the US Open, looking to reclaim her form. Next up: a rematch with Baptiste, who she’s beaten twice before. Can Osaka channel her comeback energy and keep her streak alive? #Sports #NaomiOsaka #USOpen