Top 5 Photos (1/17): Serena and Nadal prepare in Melbourne

It was another action-packed day in Adelaide and Melbourne. Some players continued to get in more match play while others hit the practice courts. These are the Top 5 photos from Friday. (All photos Getty Images).

1

Serena Williams hit the practice court alongside her coach Patrick Mouratoglou in Melbourne. She's coming into the major beaming with confidence after capturing her first title since 2017. Serena will face Anastasia Potapova to start her campaign.

2

Dayana Yastremska is having a great warm-up tournament in Adelaide. The 19-year-old Ukrainian upset Aryna Sabalenka 6-4, 7-6 (4), to set up a final clash with Ashleigh Barty. The two met last year in Miami, with Barty winning in straight sets.

3

Rafael Nadal is seeking his second career Australian Open title. After coming close on four different occasions, the Spaniard will be hungry to take the crown for the first time since 2009. With Novak Djokovic and Roger Federer on the same side of the draw, Nadal's road to the final is a little brighter.

4

Ashleigh Barty was able to pull out a tough win against an on-fire Danielle Collins. The world No. 1 squeezed past Collins, 3-6. 6-1, 7-6 (5), to reach the final on her home turf.

5

Andrey Rublev has yet to experience a loss in 2020. The Russian, who just captured the title in Doha, is now into the Adelaide final. Rublev inched past Felix Auger-Aliassime 7-6 (5),6-7 (7), 6-4. He'll take on qualifier Lloyd Harris for the title.