Simone Biles is set to compete for her third gold medal, this time on the vault, while China's Zheng Qinwen is aiming to make history by taking the country's first gold medal in women's tennis singles.
Simone Biles is set to compete for her third gold medal, this time on the vault, while China's Zheng Qinwen is aiming to make history by taking the country's first gold medal in women's tennis singles.
