Dyson, Siem lead suspended KLM Open

Simon Dyson and Marcel Siem both under 65 on Thursday to share the first-round lead of the suspended KLM Open.

Dyson, a two-time KLM Open winner and this year's Irish Open champion, and the German Siem are one stroke clear at Hilversumsche Golf Club.

The first round was called for darkness, but two separate delays, for two very different reasons, explain why only half of the field finished the round on Thursday.

First, the course was attacked by vandals overnight.

The greens on the fourth, fifth, sixth and ninth holes were damaged when officials got to the course Thursday morning. It took 45 minutes to repair, then play finally began with those areas being played as ground under repair.

"For this evening and the rest of the tournament we have increased security substantially," said KLM Open Championship Director Daan Slooter.

Next up was a three-hour, 30-minute rain delay that caused some flooding on the course.

"That's probably the wettest course I've ever played," said Dyson.

The golfers played until dark, but half the field didn't finish so they'll be back in position at 2:15 a.m. (et) Friday morning.

Rory McIlroy and Lee Westwood both were unable to complete the first round. World No. 2 Westwood is at even-par through eight holes, while McIlroy is one- over par.

Robert Dinwiddie shot a four-under 66 and is alone in third place.

Oliver Wilson, Anders Hansen and David Lynn each carded rounds of three-under 67 on Thursday. Jin Jeong is three-under, but has eight holes to go in round one.

Dyson began on the ninth tee Thursday (due to the logistics, half the field starts at No. 1 and half on No. 9). He parred his first three holes, then eagled the par-five 12th.

Dyson birdied the 14th, but lost the stroke with a bogey at No. 15. The Englishman birdied the 16th to get back to three-under par for the championship.

He rolled in a seven-foot birdie putt and followed with a 10-footer for birdie at No. 18. Dyson parred his next three, then came up short of the green with his approach at four. His pitch came up 18 feet short and Dyson missed the par putt.

At the par-four eighth, his last, Dyson holed a short birdie putt to get in at minus-five.

With his win in Ireland, Dyson is in the middle of a strong campaign. He is currently 10th in the Race to Dubai standings, but hopes to improve.

"My best finish is eighth and I would love to beat that," said Dyson.

Siem played the course in the proper order and notched two birdies in his first five holes. He bogeyed the 10th, but, like his fellow co-leader, eagled the par-five 12th to get to three-under par.

Siem birdied the 14th then joined Dyson atop the leaderboard with a short birdie putt at the par-five 18th.

Robert Coles, Stephen Dodd and Marc Warren share eighth at two-under 68. Several players, including Ross Fisher, Johan Edfors and Jose Manuel Lara are two-under, but will have to return Friday morning.

Defending champion Martin Kaymer, who was runner-up to Thomas Bjorn last week at the European Masters, struggled to a four-over 74 on Thursday.

NOTES: Dyson's two previous KLM Open titles came at Kennemer in 2006 and 2009 and both were in playoffs...Siem hasn't posted a top 10 on the European Tour in over a year...Former British Open champion Louis Oosthuizen is even through eight holes.