The American likes it down-and-dirty on the tennis court.
A familiar face is in Simona Halep's corner, not her coaching box, in Oz.
Round of 16 begins at the Australian Open on Day 7--see the full order of play here.
World No. 1 explains why Serena is world's best.
Frances Tiafoe is embracing the big stage with big-time joy.
The Serb says that he likes the Canadian's weapons and fighting spirit.
Even the great Roger Federer has to play by the rules down under.
