Remarkably, Osaka has won every slam in which she's reached the quarterfinals -- a compelling record of finishing the task.

I learned I loved tennis way more than I thought I did,” said the 27-year-old, “and that I actually really love challenges.” ...

There are 10 mothers in the main draw at the US Open this year—so many that two of them will even play each other in the first round, and there could be a few all-mom third-round clashes, too. Here’s ...