Pablo Carreno Busta Pictures
SYDNEY, AUSTRALIA - JANUARY 12: Pablo Carreno Busta of Spain plays a volley at the net while team mate Feliciano Lopez watches on during their final doubles match against Novak Djokovic and Viktor Troicki of Serbia on day 10 of the ATP Cup at Ken Rosewall Arena on January 12, 2020 in Sydney, Australia. (Photo by Cameron Spencer/Getty Images)