Japan's Naomi Osaka dropped her first red group match at the WTA Finals on Monday, falling 7-5, 4-6, 6-1 to American Sloane Stephens in a battle between the last two U.S. Open champions.Stephens, ranked sixth in the world, overcame an error-filled performance that included handing away a service break with five straight faults before clinching the first set. Osaka, ranked fourth in the world, cruised in the second set, which brought the crowd to its feet with a series of scintillating rallies at Singapore Indoor Stadium.Osaka, however, too often found nothing but net in the third set, dropp…READ FULL ARTICLE
