Russia at the 2012 Summer Olympics and basketball teams won gold and bronze medals, respectively. For the first time in its history, Russia won Olympic gold medals in judo. Among the nation's medalists were Aliya Mustafina, who emerged as one of the most successful Russian gymnasts in history, with a total of four Olympic medals at a single games, and Maria Sharapova, who won silver in the women's tennis singles against United States' Serena Williams. Anastasia Davydova became the most successful synchronized swimmer in Olympic history, with a total of five gold medals, while her compatriots Natalia Ishchenko and Svetlana Romashina managed to win gold medals
South Korea at the Olympics since both athletes were members of the Japanese team, the IOC credits both medals to Japan. South Korea won its first medals as an independent nation at its first appearance in 1948, and won its first gold medal in 1976. South Korean athletes have won a total of 267 medals at the Summer Games, with the most gold medals won in archery, and 70 medals at the Winter Games, a majority in short track speed skating. The nation has won more medals in this winter sport than any other nation since it was introduced to the Olympic program in 1992.