Former rivals team up before new tennis season as Djokovic seeks record 25th singles and 11th Australian Open title.

In January, his brother traveled to Melbourne with some juniors ... He collected at least five wins against Novak Djokovic, ...

Once she recovered from being broken on her first service game of the second set, it was easier going for Sabalenka, whose bid for a third straight Australian Open title was thwarted in the Melbourne ...