MELBOURNE, Australia — For Naomi Osaka, this journey to the other side of the world is starting to become a rollercoaster ride for the ages. The new year had all started so right, with a run to the final in Auckland, New Zealand. But then, a set up and with her first tournament title since becoming a mother in sight, she had to pull out against Clara Tauson with a back injury. The scans were “not great” in her words, a suboptimal development just a few days before the start of the Australian Ope