Of the top six names on the leader board last night , five were international pros -- David Howell -LRB- England -RRB- at five under par through 26 holes ; Luke Donald -LRB- England -RRB- at five under through 20 holes ; Vijay Singh -LRB- Fiji -RRB- at four under through 18 holes ; Mark Hensby -LRB- Australia -RRB- at three under through 25 holes ; and Stuart Appleby -LRB- Australia -RRB- at three under through 18 holes .