Los Angeles - Australia's Rod Pampling kept his one-stroke lead over American Brooks Koepka after Saturday's completion of the second round of the US PGA Tour Shriners Hospitals tournament at Las Vegas, Nevada.
Pampling completed a three-under par 68 on Friday at TPC Summerlin to stand on 14-under 128 through 36 holes with Koepka on 129 after firing a 67 Friday.
Of 19 players still on the course when darkness fell Friday, the lone challenger for the lead was South African-born American Aaron Wise.
Wise, who began on the back nine, completed his last four holes of round two on Saturday and took a bogey at the par-4 seventh on his way to a 65 to stumble back into a share of third with American Chris Kirk after 36 holes on 131.
Australia's Cameron Smith finished off a second-round 68 on Saturday to share 12th on 134.
In all, 74 players made the cut at 139 and the third round playing in threesomes in a bid to get the event back on schedule.
Leading scores after Saturday's completion of the second round of the US PGA Tour Shriners Hospitals for Children Open at TPC Summerlin in Las Vegas, Nevada (USA unless noted):128 - Rod Pampling (AUS) 60-68
129 - Brooks Koepka 62-67
131 - Chris Kirk 66-65, Aaron Wise 66-65
132 - James Hahn 66-66, Keegan Bradley 67-65, Pat Perez 66-66
133 - Brian Harman 70-63, Sean O'Hair 67-66, Lucas Glover 68-65, Matt Jones (AUS) 65-68
134 - Martin Flores 67-67, Kyle Stanley 67-67, Luke List 65-69, Ryan Moore 68-66, Adam Hadwin (CAN) 70-64, Charles Howell 67-67, Derek Fathauer 67-67, Jon Rahm (ESP) 65-69, Harris English 67-67, Troy Merritt 68-66, Geoff Ogilvy (AUS) 67-67, Cameron Smith (AUS) 66-68