Osaka splits with coach Bajin February 11, 2019 22:13 Naomi Osaka enjoyed a breakthrough 2018 alongside coach Sascha Bajin but the two have parted ways. Getty Images Naomi Osaka has split with coach Sascha Bajin, the world number one announced on Monday. News tennis Previous Londero completes ATP fairytale with Cordoba win Read Next Wawrinka back to winning ways in Rotterdam Read