Australian Open tournament director Craig Tiley, seen here with Kazakhstan's Elena Rybakina, said remaking the women's format was one of a series of changes he wants to see in the coming years.

The appointments take effect July 1.

Charge 6 is Fitbit’s flagship fitness tracker band. The follow-up from Charge 5 features some tweaks under the hood, but little in the way of design changes. To the untrained eye, they look the same.