Aussies in the hunt after opening round of US Open

Australian Minjee Lee shot an opening round of two under at the Women's US Open. (Getty Images: David Cannon)

Karis Davidson and Minjee Lee are the leading Australians after the first round of the Women's US Open golf major, both shooting two-under par.

American Jennifer Kupcho holds the outright lead at five-under par after the opening day at the Riviera Country Club in Los Angeles.

The second of four rounds begins late on Friday evening, AEST.

Four of the six Australians golfers competing at the 81st Women's US Open are within sight of the leader after the opening round in Los Angeles.

Karis Davidson and Minjee Lee shot two-under-par 69s on Thursday (Friday AEST) at Riviera Country Club to be in a six-way tie for eighth.

Compatriots Hannah Green and Stephanie Kyriacou are a further stroke back, Grace Kim (72) is one over and Sarah Hammett (80) nine over.

Lee's bogey-free first round of the second women's major of the year was highlighted by birdies on the first and ninth holes.

The 156-player field are fighting for the $US12 million ($17 million) in prize money and American Jennifer Kupcho leads the way, her five-under 66 earning a one-stroke lead over South Korea's Sei Young Kim.

The 29-year-old Kupcho, who has four career LPGA Tour wins but just one since 2022, made seven birdies and two bogeys.

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"I just really, really like the golf course," said Kupcho, who missed the cut in her three previous US Open starts.

"It's kind of a ball-striker's paradise. Just hit it down the fairway, hit it on the green and make the putts."

The entire field managed just one eagle in the first round — Allisen Corpuz holed out with a six-iron from 86 yards on the 17th.

Mexico's Gaby Lopez and Japan's Hinako Shibuno joined South Korea's Hyunjo Yoo, Ina Yoon and Minji Kang in the group at 68.

World number one Nelly Korda (73) made a rough start, struggling off the tee to finish two over.

"I hit it really good Monday through Wednesday, so I have honestly no idea where this came from. So I'm going to go to the range."

Aphrodite Deng, a 16-year-old amateur, was in contention for the lead before playing two late holes at three over and carding a 70.

Deng was born in Canada to Chinese parents before growing up in New Jersey and eventually settling in Florida.

A competitive child figure skater for several years before the COVID-19 pandemic, Deng took up golf only seven years ago, but won the US Girls' J