Who won the us open 2017 golf tournament?
Brooks Koepka tied the U.S. Open scoring record and won his first career major championship by four strokes over Brian Harman and Hideki Matsuyama. Beginning the round a shot out of the lead, Koepka quickly erased the deficit with birdies on his first two holes. After saving par with an eight-foot putt on the 13th, he then recorded three straight birdies on his way to a round of 67 (−5). His total of 16-under par tied the tournament scoring record set by Rory McIlroy in 2011. Harman entered the round with the lead but fell into a tie for second with three bogeys on the back-nine. Matsuyama shot the low round of the day with 66 (−6) and jumped into a tie with Harman. After establishing a new tournament scoring record in the third round, Justin Thomas bogeyed three of his first five holes and finished three-over on the round to drop to a tie for ninth. Tommy Fleetwood also began the round a shot behind but three bogeys on the front-nine dropped him from contention. The low amateur was Scottie Scheffler, who finished at –1, beating Cameron Champ by just one stroke. In all, thirty-one players finished the tournament under par, breaking the U.S. Open record set in 1990.
Who won the men's 2017 US Open golf tournament?
Brooks Koepka
2017 U.S. Open (golf)
Park Sung-hyun won her first major title, two strokes ahead of amateur Choi Hye-jin. It was her first win on the LPGA Tour, after ten victories on the LPGA of Korea Tour. Seven strokes back at after 36 holes, Park carded on the weekend with consecutive rounds 
Who won the women's 2017 US Open golf tournament?
Park Sung-hyun
2017 U.S. Women's Open Golf Championship
2017 U.S. Open (golf)
https://en.wikipedia.org/wiki/2017%20U.S.%20Open%20%28golf%29
2017 U.S. Women's Open Golf Championship
https://en.wikipedia.org/wiki/2017%20U.S.%20Women%27s%20Open%20Golf%20Championship
Brooks Koepka (/ˈkɛp.kə/, born May 3, 1990) is an American professional golfer on the PGA Tour.
Brooks Koepka
Park Sung-hyun (born 21 September 1993), also known as Sung Hyun Park, is a South Korean professional golfer playing on the U.S.-based LPGA Tour.
Park Sung-hyun (golfer)
There was both a men's and a women's 2017 US Open golf tournament. Brooks Koepka, an American professional golfer on the PGA Tour, won the men's. Park Sung-hyun, a South Korean professional golfer playing on the U.S.-based LPGA Tour, won the women's.