Fans soaked up another action-packed day of play, but with Australia’s Victoria State heading into a five-day lockdown due to a COVID-19 outbreak, the next five days will resemble the fan-less sights seen at most tournaments over the past year.

These are the Top 5 Photos the sum up Friday's action:

1

Serena Williams

Serena wasn't playing her best and struggled to find her rhythm against a hungry-to-win Anastasia Potapova. In the end, the 23-time Grand Slam champion found a way to capture the extremely tight opening set and eventually claim a 7-6 (5), 6-2 victory.

The 39-year-old's win happens to be her 360th major match win and puts her just behind Roger Federer for the all-time record. It was also her 90th Australian Open win.

Top 5 Photos 1/12: 
Serena wins 360th 
Grand Slam match

Top 5 Photos 1/12: Serena wins 360th Grand Slam match

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2

Grigor Dimitrov

The Bulgarian waved to the crowd following a quick day at the office. Leading, 6-1, 1-0, his opponent Pablo Carreno Busta was forced to retire from their third-round clash in Melbourne. The world No. 21 is through to his sixth Round of 16 showing Down Under, and will face Dominic Thiem next.

Top 5 Photos 1/12: 
Serena wins 360th 
Grand Slam match

Top 5 Photos 1/12: Serena wins 360th Grand Slam match

Getty Images

3

Aryna Sabalenka

The Belarusian was on a 15-match winning streak before she fell in her opening round at the Gippsland Trophy event in Melbourne to Kaia Kanepi last week. Having won 17 of her last 18 matches, it's no surprise the world No. 7 is through to the round of 16 after dismissing Ann Li 6-3, 6-1 in one hour.

The 22-year-old will be making only her second round of 16 appearance at a major and will battle Serena for the first time on Saturday.

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Top 5 Photos 1/12: 
Serena wins 360th 
Grand Slam match

Top 5 Photos 1/12: Serena wins 360th Grand Slam match

Getty Images

4

Garbine Muguruza

It was another routine win for the Spaniard as she quickly defeated Zarina Diyas 6-1, 6-1. Last year's finalist has yet to drop a set, but will have some work ahead of her as she will faces Noami Osaka next. Remarkably, they have never played each other before.

Top 5 Photos 1/12: 
Serena wins 360th 
Grand Slam match

Top 5 Photos 1/12: Serena wins 360th Grand Slam match

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5

Nicolas Mahut and Pierre-Hughes Hubert

The Frenchmen soared past German duo Yannick Hanfmann and Kevin Krawietz 7-5, 6-3. The 2019 Aussie Open winners will take on Marc Polmans and James Duckworth for a spot in the third round.

Top 5 Photos 1/12: 
Serena wins 360th 
Grand Slam match

Top 5 Photos 1/12: Serena wins 360th Grand Slam match

Getty Images