Kerber bows to Japanese teenager

Japan’s Naomi Osaka reacts after winning a point against Germany’s Angelique Kerber at US Open Women’s Singles match yesterday. [AFP]

Japan's Naomi Osaka downed defending champion Angelique Kerber before facing a more time-consuming task tracking down her family movements.

"My sister is in Florida training. She told me she was watching my match, because she sent me a lot of messages and stuff. And my mom, apparently she was here. I saw her after my match, and I was, like –I was so surprised.