Lehman is three shots ahead of Peter Lonard who still has one hole to play.

BBC: SPORT | Golf | Lehman continues impressive form

Lonard had another blistering start at the Qatar Masters two weeks ago, before relinquishing the lead and victory to the Netherlands' Rolf Muntz.

BBC: Lonard rampant in Rio

Also among those who failed to qualify were South Africa's Trevor Immelman, Swede Jesper Parnevik, Australians Aaron Baddeley and Peter Lonard and 1986 USPGA champion Bob Tway.

BBC: SPORT | Golf | Wie fails to qualify for US Open