It's the first day of track cycling and final day of rugby sevens in Thursday's action.
Madison Keys v D Kasatkina, Thomasz Bellucci v David Goffin, Marin 膶ili膰 v Ga毛l Monfils.
Live coverage of the preliminaries from the Maracanazinho.
Russia v Brazil, Italy v Australia, China v United States & Spain v Hungary.
