<Table> 2018 US Open Women's Final <Tr> <Td_colspan="2"> Naomi Osaka (20) vs. Serena Williams (17) </Td> </Tr> <Tr> <Td_colspan="2"> <Table> <Tr> <Th> Set </Th> <Th> </Th> <Th> </Th> </Tr> <Tr> <Td> Naomi Osaka </Td> <Td> 6 </Td> <Td> 6 </Td> </Tr> <Tr> <Td> Serena Williams </Td> <Td> </Td> <Td> </Td> </Tr> </Table> </Td> </Tr> <Tr> <Th> Date </Th> <Td> Saturday, 8 September 2018 </Td> </Tr> <Tr> <Th> Tournament </Th> <Td> US Open </Td> </Tr> <Tr> <Th> Location </Th> <Td> New York City </Td> </Tr> <Tr> <Th_colspan="2"> Previous head - to - head results </Th> </Tr> <Tr> <Td_colspan="2"> Osaka 1--0 S. Williams </Td> </Tr> </Table> <Tr> <Td_colspan="2"> Naomi Osaka (20) vs. Serena Williams (17) </Td> </Tr>

Who won the women's us open title