<Table> 2018 Australian Open Women's Final <Tr> <Td_colspan="2"> Caroline Wozniacki (2) vs. Simona Halep (1) </Td> </Tr> <Tr> <Td_colspan="2"> <Table> <Tr> <Th> Set </Th> <Th> </Th> <Th> </Th> <Th> </Th> </Tr> <Tr> <Td> Caroline Wozniacki </Td> <Td> 7 </Td> <Td> </Td> <Td> 6 </Td> </Tr> <Tr> <Td> Simona Halep </Td> <Td> 6 </Td> <Td> 6 </Td> <Td> </Td> </Tr> </Table> </Td> </Tr> <Tr> <Th> Date </Th> <Td> Saturday, 27 January 2018 </Td> </Tr> <Tr> <Th> Tournament </Th> <Td> Australian Open </Td> </Tr> <Tr> <Th> Location </Th> <Td> Melbourne </Td> </Tr> <Tr> <Th_colspan="2"> Previous head - to - head results </Th> </Tr> <Tr> <Td_colspan="2"> Wozniacki 4--2 Halep </Td> </Tr> </Table> <Tr> <Td_colspan="2"> Caroline Wozniacki (2) vs. Simona Halep (1) </Td> </Tr>

Who won the 2018 australian open women's