ST. PETERSBURG, Fla. (AP) — Sascha Bajin has been chosen as the first winner of the WTA Coach of the Year award after helping Naomi Osaka collect the U.S. Open title. The women's tennis tour announced its annual honors Monday. The first season as a team for Bajin and Osaka produced her first WTA title at Indian Wells, then her first Grand Slam title in New York, where she beat Serena Williams in the final.