Lydia Ko has recorded one of her highest 18-hole scores in a professional golf event as the tough Sebonack Golf Club course bared its teeth in the third round of the United States Open at Southampton, New York, today.
On a day when just one of the 68 players who made the cut managed to break par, Ko struggled more than most as she signed for a seven-over par 79, dropping to 11-over par through three rounds.
As a result the 16-year-old has slipped 12 places to a share of 51st with one round remaining.
Ko finished off her second round earlier today, carding a four-over 76 to easily make the cut at four-over. She was tied for 39th at the halfway point but struggled later in the day.
Starting her third round on the 10th tee, the world No 16 and top-ranked amateur had three bogeys on her front nine to turn in three-over 40, but things looked to be on the up when she birdied holes No 2 and 3 to get to one-over for the day through 12 holes.
However, she bogeyed three successive holes then close the day with a triple-bogey seven at the par-four ninth to sign for a 79.
Only the leader, South Korean Inbee Park, broke par today while four others managed even-par 72s. Everyone else was over par, nine players by double digits.
Park's one-under 71, which included three birdies in the final five holes, saw her move to 10-under and take a four-shot lead over countrywoman IK Kim into tomorrow's final round.
Park is looking to become the first woman to win the first three majors in a calendar year, having already claimed the Kraft Nabisco Championship and LPGA Championship in 2013.
Ko is in her own battle, for leading amateur honours. She is tied at 11-over with Americans Doris Chen and Casey Cathrea.
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