British doubles team Neal Skupski, right, and Jamie Murray watch as a ball goes between them during the second round of the tennis competition at the 2020 Summer Olympics, Monday, July 26, 2021, in Tokyo, Japan. (AP Photo/Seth Wenig)

British doubles team Neal Skupski, right, and Jamie Murray watch as a ball goes between them during the second round of the tennis competition at the 2020 Summer Olympics, Monday, July 26, 2021, in Tokyo, Japan. (AP Photo/Seth Wenig)

Neal Skupski, of Britain, plays in a double match during the second round of the tennis competition at the 2020 Summer Olympics, Monday, July 26, 2021, in Tokyo, Japan. (AP Photo/Seth Wenig)

Neal Skupski, of Britain, plays in a double match during the second round of the tennis competition at the 2020 Summer Olympics, Monday, July 26, 2021, in Tokyo, Japan. (AP Photo/Seth Wenig)

Jamie Murray, of Britain, plays in a doubles match during the second round of the tennis competition at the 2020 Summer Olympics, Monday, July 26, 2021, in Tokyo, Japan. (AP Photo/Seth Wenig)

Jamie Murray, of Britain, kicks his racket during a doubles match during the second round of the tennis competition at the 2020 Summer Olympics, Monday, July 26, 2021, in Tokyo, Japan. (AP Photo/Seth Wenig)

Kei Nishikori, of Japan, returns a shot during his double game during the second round of the tennis competition at the 2020 Summer Olympics, Monday, July 26, 2021, in Tokyo, Japan. (AP Photo/Seth Wenig)

Kei Nishikori, of Japan, left, looks ahead as his partner, Ben McLachlan, returns a shot during their doubles game during the second round of the tennis competition at the 2020 Summer Olympics, Monday, July 26, 2021, in Tokyo, Japan. (AP Photo/Seth Wenig)

Ben McLachlan, of Japan, reacts after winning his doubles match during the second round of the tennis competition at the 2020 Summer Olympics, Monday, July 26, 2021, in Tokyo, Japan. (AP Photo/Seth Wenig)

Kei Nishikori, of Japan, returns a shot during his double game during the second round of the tennis competition at the 2020 Summer Olympics, Monday, July 26, 2021, in Tokyo, Japan. (AP Photo/Seth Wenig)

Japanese doubles team Kei Nishikori, right, and Ben McLachlan celebrate after winning their match during the second round of the tennis competition at the 2020 Summer Olympics, Monday, July 26, 2021, in Tokyo, Japan. (AP Photo/Seth Wenig)