The No.8-seeded pairing is out of the Olympics due to a positive Covid-19 test.
The 34-year-old Scot will remain in the doubles draw.
Naomi Osaka and Ash Barty are first up on Centre Court as Day 2 of Olympic action begins.
Iga Swiatek kicks things off on Centre Court, with Novak Djokovic up fourth.
The World No.1 might want to try the floor exercise in Tokyo...
Temur Ismailov is banned for life; Amal Sultanbekov hit with five-year ban.
Struggling to correct your grip? Grip MD is the remedy.
