<Tr> <Th_colspan="2"> Women's Singles </Th> </Tr> <Tr> <Td_colspan="2"> 2017 US Open </Td> </Tr> <Tr> <Th> Champion </Th> <Td> Sloane Stephens </Td> </Tr> <Tr> <Th> Runner - up </Th> <Td> Madison Keys </Td> </Tr>

Who won the us open 2017 women's singles tennis championship