“Stefanos Tsitsipasu0027 suggestion that womenu0027s matches be extended to best-of-five sets has not exactly gone down well, perhaps predictably. Naomi Osaka has responded to the comments from the Greek star. “Does he want to play nine sets?” she asked. “If he tries to extend mine, Iu0027m going to extend his. I donu0027t want to be rude. Iu0027m really trying to structure this in a way thatu0027s not like off-putting.””