World No. 1 Rafael Nadal and world No. 2 Novak Djokovic took to the courts on Friday at the ATP Cup. Here are the Top 5 Photos from January 4. (All photos by Getty Images)

1

Rafael Nadal played under the lights in Perth, helping Spain ease its way to a 3-0 win over Georgia.

Top 5 Photos: Nadal,
Djokovic pick up 
ATP Cup wins

Top 5 Photos: Nadal, Djokovic pick up ATP Cup wins

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2

Nadal's efforts were made easier thanks to Roberto Bautista Agut's 6-0, 6-0 demolition of Georgia's Aleksandre Metreveli.

Top 5 Photos: Nadal,
Djokovic pick up 
ATP Cup wins

Top 5 Photos: Nadal, Djokovic pick up ATP Cup wins

3

Team Italy enjoyed a day off with coffee and photo-ops at The Cheeky Sparrow in Perth.

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Top 5 Photos: Nadal,
Djokovic pick up 
ATP Cup wins

Top 5 Photos: Nadal, Djokovic pick up ATP Cup wins

4

Also having a day off in Perth, Team U.S.A. threw the honorary pitches at the Harley Davidson Ballpark.

Top 5 Photos: Nadal,
Djokovic pick up 
ATP Cup wins

Top 5 Photos: Nadal, Djokovic pick up ATP Cup wins

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5

Novak Djokovic picked up his first win of 2020 over Kevin Anderson, clinching Serbia's win over South Africa.

Top 5 Photos: Nadal,
Djokovic pick up 
ATP Cup wins

Top 5 Photos: Nadal, Djokovic pick up ATP Cup wins