The word no. 1 Naomi Osaka after making her return to the competitive action at Dubai Dubai Duty-Free Tennis Championships, lost to Kristina Mladenovic in the second round of the event. Osaka, who last week parted ways with her coach Sascha Bajin following her win of the Australian Open in Melbourne; struggled badly during her … Continue reading Dubai Duty Free Tennis Championships; Naomi Osaka beaten by Kristina Mladenovic