That gave Londoner Wall a chance to tie for second and he did itin dramatic fashion with a 35-foot birdie putt - one which qualifies him for the Open at Hoylake in two weeks' time.
The 25-year-old Warren, who holed the winning puttin the 2001 Walker Cup, spent six hours hitting balls with coach Bob Torrance on Monday, and it paid instant dividends with a bogey-free round.