OREANDA-NEWS The men's national swimming team of Russian athletes won silver in the 4x200 freestyle relay, tennis players Karen Khachanov and Daniil Medvedev reached the quarterfinals, and the four-time Olympic champion in artistic gymnastics, American Simona Biles refused to participate in the competition.

Among the countries of the world, China is in first place in terms of the number of medals won, followed by Japan and the United States. Russia in the overall standings is in fourth place.

The Russian tennis players Elena Vesnina and Aslan Karatsev reached the quarterfinals of the Olympic tournament in mixed doubles. The athletes defeated the Frenchmen Christina Mladenovic and Nikolos Maut in two sets.

The quarterfinals of the men's singles tournament was also reached by the Russians Karen Khachanov (he beat the Argentine Diego Schwartzman) and Daniil Medvedev, who defeated the Italian Fabio Fognini.

The four-time Olympic champion in artistic gymnastics American Simone Biles refused to participate in another tournament: she announced that she would not participate in the final of the individual all-around, which will be held on Thursday.

The British swimmers Tom Den, James Guy, Matthew Richards and Duncan Scott won the 4x200m freestyle relay and brought their country fifth gold. (Previously swimmers Tom Den Duncan Scott took gold and silver in the 200m freestyle relay).

The men's team of the Russian Olympic Committee took second place; it included Martin Malyutin, Ivan Girev, Evgeny Rylov and Mikhail Dovgalyuk. Bronze medal - for swimmers from Australia.