Derksen leads as Irish challenge in Perth

Dutch golfer Robert-Jan Derksen fired the best round of his European Tour career, an eight-under-par 64, to take a one-stroke lead after the opening round of the Johnnie Walker Classic today.

Ireland’s Damien McGrane carded six-under 66s to create a three-way tie for fourth with the English pair of Lee Westwood and John Bickerton.