Both are 37 years old and have delivered 43 Grand Slam Singles title. Federer leads Switzerland in defence of the Holman Cup that he won along with Belinda Bencic and they are teaming up once again. On the other hand, Serena after winning Australia open in 2017 comes back to the country after delivering a baby. Switzerland plays the United States on January 1 with the two players facing each other in their mixed doubles.
Serena played against sister Venus in Abu Dhabi this week, but Perth will be her first competitive event. Tiafoe, 20 admitted he is nervous to play with Serena as she is a complete legend. Serena is excited to win the eighth crown at Melbourne Park to match the record 24 Grand Slam titles held by Margaret Court.