As tournaments enter the weekend, the intensity and pressure has increased in Sydney, Auckland and Brisbane. These are the Top 5 Photos of the day from Friday. (All photos Getty Images) 


Battling gusty winds in Auckland, Serena Williams had trouble with her ball toss. But it didn't stop her from getting the job done over Laura Siegemund, 6-4, 6-3, to reach the semifinals. Serena and Caroline Wozniacki moved into the doubles final without the loss of a set.


With an overly-excited crowd cheering his name in Sydney, Novak Djokovic credited the electric atmosphere for his third-set tiebreak victory over Canada's Denis Shapovalov. Team Serbia will face Russia for a spot in the inaugural ATP Cup's final. 


In Brisbane, Naomi Osaka took out No. 6 seed Kiki Bertens 6-3, 3-6, 6-3, to set up a semifinals clash against defending champion Karolina Pliskova. Osaka seems to be carrying momentum from her strong 2019 finish into the 2020 season.


David Goffin put on a show for the Sydney crowd on Friday in Sydney. The Belgian upset world No. 1 Rafael Nadal in straight sets to get Team Belgium on the board and force a doubles decider. 


The doubles match between Nadal and Pablo Carreno Busta and Sander Gille and Joran Viegen went all the way to the deciding super-tiebreaker. Once there, Spain prevailed, 6-7 (7), 7-5, 10-7.