Angelina Melnikova, the Russian veteran and team... ... Tokyo Olympics: Artistic Gymnastics LIVE Day 4 - ROC wins gold, Simone Biles withdraws - Updates, results, scores, medal, blog

Angelina Melnikova, the Russian veteran and team leader is going first on vault. Followed by Grace McCallum from the US. 

Each team has 3 gymnasts competing on each event. The perform one after the other, that is, for eg. one from ROC and then one USA and then one ROC again and so on