Nadia Comaneci predicts “no one in Romania will be working for a few days”.
Serena staved off a spectacular fightback from world number one Simona Halep.
Halep will finish the year as women’s world number one for the second season in a row.
Reigning US Open champion Sloane Stephens returns to hard courts at this week’s WTA Washington Open.
World number one Simona Halep battled back after a disastrous opening set to beat Alison Riske 2-6, 6-1, 6-1.
Federer roares into an Australian Open quarter-final with Berdych as Halep and Angelique Kerber stayed on course.
Simona Halep will sport her “lucky” red dress and Caroline Wozniacki says she is playing better than ever.
Novak Djokovic will lurk as 14th seed for next week’s Australian Open in Melbourne.