SHENZHEN, China — On another big stage against another strong field, Louis Oosthuizen made it look easy.
Oosthuizen, with a simple swing considered among the most pure in golf, again took advantage of the par 5s at Mission Hills, shooting 9-under-par 63 on Friday in the HSBC Champions to build a five-shot lead over Ernie Els.
He also broke a World Golf Championships record that previously belonged to Tiger Woods. Oosthuizen reached 16-under 128. That’s the lowest score to par through 36 holes in any World Golf Championships event since they began in 1999 by a shot.
Els, who skipped the PGA Grand Slam of Golf early last week because of a minor ankle injury, was nearly as perfect as Oosthuizen. He also had 63 that vaulted him from 19th place into a tie for second with Adam Scott, who had 68.
Shane Lowry (68) and Jason Dufner (66) are another shot behind.
Phil Mickelson made double bogey on his last hole for 69 that left him seven shots behind going into the weekend.
Oosthuizen made birdie on all five of the par 5s on the Jose Maria Olazabal-designed course on Thursday. In the second round, he picked up four birdies and an eagle.
CHAMPIONS TOUR: In Scottsdale, Ariz., Jay Haas matched the Champions Tour record with 10-under-par 60 to open a five-stroke lead in the Charles Schwab Cup Championship.
The 58-year-old Haas made a 5-foot birdie putt on the par-5 18th. He is 14-under 126 for the tournament.
Tom Lehman is second after 63, moving into position to win the season-long Charles Schwab Cup points race. Bernhard Langer, 211 points ahead of second-place Lehman, is tied for fifth at 6-under after 65.
Augusta native Larry Mize rebounded from an opening 73 to shoot 66 and is at 139.
LPGA TOUR: In Shima, Japan, Jiyai Shin and Ayako Uehara shot 4-under-par 68s to share the first-round lead in the LPGA Tour’s Mizuno Classic.
Shin won the event at Kintetsu Kashikojima 2008 and in 2010. She won the Kingsmill Championship and Women’s British Open in consecutive starts in September.
Defending champion Momoko Ueda is a stroke back along with Angela Stanford, Maiko Wakabayashi, Shanshan Feng, Na Yeon Choi and Beatriz Recari.