Only four holes into the Aberdeen Standard Investments Ladies Scottish Open on Thursday, the Korean needed the calming influence of Gary Marshall.
Hur capped off the performance in style with further birdies at the 16th and 18th holes for a five-under-par 66 on a day when club workers were tireless in their efforts to keep the course playable in the relentless rain.
The Thai player, who won the HUGEL-JTBC LA Open a year ago for her first LPGA Tour title, had a 16-under 197 total.
"That was raining like today but also a wind blowing 25 to 30 miles per hour", she said.More news: Majority of British people support "Brexit by any means", poll finds
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South Korea's Mi Hyang Lee finished alone in fourth place after shooting 3-under 68 for the second straight day to finish at 15-under for the tournament.
"This is my first time, and I thought it would be really hard, but actually my shots and my putting strokes were pretty good", Lee6 said. I three-putted from on the green and it was pretty short. "If only I could erase round three!" she said afterwards.
"I didn't know that", she said after landing a £190,000 top prize for this triumph.
"I missed the cut at the British Open last week and changed my putter back to an old one, and you saw the results", she said.
"This is the only event where I have some family, so it's always nice to come back and play in Scotland". "I'm happy overall with the week and, if I could take away today, I'd be delighted", she said.