<Table> <Tr> <Td> ← 2016 </Td> <Td> US Open </Td> <Td> 2018 → </Td> </Tr> </Table> <Tr> <Td> ← 2016 </Td> <Td> US Open </Td> <Td> 2018 → </Td> </Tr> <P> The 2017 US Open was the 137th edition of tennis' US Open and the fourth and final Grand Slam event of the year . It was held on outdoor hard courts at the USTA Billie Jean King National Tennis Center in New York City . Experimental rules featured in qualifying for the main draw as well as in the junior, wheelchair and exhibition events . </P> <P> Stan Wawrinka and Angelique Kerber were the previous year's men's and women's singles champions . Neither managed to defend their title as Wawrinka withdrew before the start of the tournament due to a knee injury that ended his season, while Kerber lost in the first round to Naomi Osaka . </P>

Where is the us tennis open being held this year