Tiger Woods switched putter for the second time in a week in a last-gasp bid to revive his Open campaign, but still found himself reduced to the status of an also-ran at St Andrews.
At the start of the week, Woods ditched the putter which has won him 13 of his 14 majors, including the last two Opens at the Home of Golf by eight and five shots.
But after taking 99 putts in the first three rounds to lie 12 shots off the lead held by South African Louis Oosthuizen, Woods abandoned the experiment for today’s final round.
At first it looked like paying dividends, the world number one holing from seven feet on the first and five feet on the third for birdie.
However, the 34-year-old then needed two attempts to get out of a greenside bunker on the fourth to run up a double bogey six, and took six more to play the 371-yard seventh.
A birdie on the ninth lifted the gloom somewhat and took Woods back to two under overall, but that was 13 adrift of Oosthuizen after the 27-year-old made a solid start to his round.
Two regulation pars were enough to extend his overnight lead from four to five shots, playing partner Paul Casey missing a five foot birdie chance on the first and then dropping a shot on the second after coming up short of the green.
It looked like being a two-horse race between the leading pair, with none of the other contenders able to make an early impression.
Henrik Stenson misjudged his approach to the first so badly he came up short of the burn, but while playing partner Martin Kaymer overcompensated and ended up three-putting from long range, Stenson chipped on and saved par.
Spain’s Alvaro Quiros had set the clubhouse target on five under after carding a 67 which will boost his chances of securing a Ryder Cup debut in Wales in October.