South Korea's Byeong-hung An shot a seven-under-par final round of 65 to win the BMW PGA Championship at Wentworth by six shots this afternoon.
It is the 23-year-old's first victory on the European Tour six years after he won the US Amateur tournament.
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He started the final day level with Francesco Molinari at the top of the leaderboard, but the Italian struggled as his playing partner thrived under the pressure.
An didn't drop a single shot on the final day, going five-under on the back nine with three birdies and an eagle at the par-five 12th.
His final score of 21-under is a new record for the European Tour's flagship event on the West Course at Wentworth.
Molinari (-12) fell to fifth place, while second place was shared on 15-under by Miguel Angel Jimenez (67) and Thongchai Jaidee (69).
England's Chris Wood was fourth place after a final round of 66 that included a hole-in-one on the 14th to win him a £150,000 BMW i8 car.
