PERTH, AUSTRALIA - JANUARY 08: Rafael Nadal of Team Spain plays a backhand to Yoshihito Nishioka of Team Japan during day six of the 2020 ATP Cup Group Stage at RAC Arena on January 08, 2020 in Perth, Australia. (Photo by Paul Kane/Getty Images)
PERTH, AUSTRALIA - JANUARY 08: Rafael Nadal of Team Spain plays a backhand to Yoshihito Nishioka of Team Japan during day six of the 2020 ATP Cup Group Stage at RAC Arena on January 08, 2020 in Perth, Australia. (Photo by Paul Kane/Getty Images)