Anastasia Pavlyuchenkova and Andrey Rublev defeated Russian teammates Elena Vesnina and Aslan Karatsev.
Brazil's Laura Pigossi and Luisa Stefani battled back to win their nation's first-ever Olympic tennis medal.
The Tokyo Games got their first swimming individual world record and a fast start to the track competition on Day 7 of the Olympics.
Wimbledon’s traditional Middle Sunday of rest will disappear in 2022.
Coco Gauff has won in her return to Centre Court at Wimbledon.
Roger Federer has become the oldest man to reach the third round at Wimbledon in 46 years.
Unseeded Barbora Krejcikova saved one match point to book a spot if the French Open final, where she will face Anastasia Pavlyuchenkova on Saturday.