Coco Gauff, notwithstanding an earlier *faux pas* of epic proportions—namely, neglecting to bring her rackets to a match—nonetheless cemented her berth in the Roland-Garros quarterfinals with a decisive straight-sets triumph, occasioning some *badinage* with compatriot Frances Tiafoe, himself a quarterfinalist, who, having suffered a similar lapse in the past, quipped "Mrs. Mature," a jibe Gauff conceded she could scarcely parry, alluding to the perceived precocity thrust upon her by meteoric success, punctuated by a Wimbledon breakthrough at fifteen and a maiden Grand Slam title at nineteen, as she prepares to lock horns with Madison Keys in an all-American quarterfinal showdown come Wednesday.