(CNN) -- Damien McGrane of Ireland made a late charge to join American Anthony Kang at the top of the leaderboard at the halfway stage of the Johnnie Walker Classic in Perth.
American star Anthony Kim relaxes for a moment on a hot day in Western Australia.
The 37-year-old McGrane carded four birdies in his final seven holes on the way to a four-under 68 at The Vines to join Malaysian Open winner Kang on 10-under-par 134.
Kang, bidding for back to back wins on the European Tour, had earlier recorded his second straight 67.
Spain's Ignacio Garrido, Japan's Hiroyuki Fujita and New Zealand amateur Danny Lee all carded 68s to finish the day tied for third place on nine-under-par.
First round leader Robert Jan-Derksen of the Netherlands looked set to at least match Kang, but a run of three straight bogeys on the back nine saw him slip to a 72.
That left him in an eight-way tie for sixth on eight under, the group including world number 11 Anthony Kim of the United States.
Eight-time European number one Colin Montgomerie continued his fine play in Australia to lie at seven under with no less than 12 other players in a congested battle at the top of the leaderboard.
England's Graeme Storm and South Africa's David Frost shot the day's best rounds of 64 to join this group. "I played better off the tee and hit more fairways, which was helpful," McGrane told the official Tour Web site.
Kim, who failed to make an impression in Malaysia, is happy to be in contention again. "It's been a good couple of days but I'm still making some careless mistakes," said the 23-year-old who forged his reputation with outstanding performances at the U.S. won back the Ryder Cup at Valhalla.
But other big names are faring less well, with world number 12 Lee Westwood slipping back to five-under after a 73.
The tournament's highest ranked player, Camilo Villegas of Colombia missed the cut -- the world number nine following a 72 with a one-under 71 to be two outside of the mark.