New Orleans, LA …

Cameron Smith faces another restless night is he is to create PGA Tour history  and become the youngest-ever Australian winner on the Tour.

The 23-year Smith and Swedish teammate Jonas Blixt only needed to birdie the last to be assured of victory in New Orleans, and in the first team format on the Tour in 36 years.

However the unlikely duo, nor anybody looking on, expected what unfolded in near darkness down the last at TPC Louisiana.

And that was incredible sight of American Kevin Kisner holing a stunning 27-metre chip shot for eagle on the 18th to deny Smith and Blixt victory in regulation.

The fading light following six hours of weather delay due to thunderstorms meant the sudden-death playoff had to be held over until Monday (Tuesday AEST).

If Smith and Blixt can win both players will earn $1.02 million and will be accredited with an official win, bringing a two-year exemption on tour as well as entry to the Players Championship and PGA Championship.

The 23-year-old Smith and 33-year-old Swede Blixt led by a stroke heading into the final hole after five back-nine birdies under the final round’s best ball format

Kisner’s eagle heroics then forced Smith to make a short birdie putt just to remain in contention for his big PGA Tour breakthrough.

“We knew we had to have it. I knew they were going to make birdie, so all I was trying to do was make sure I didn’t leave it short,” Kisner said of his chip.

“When I hit the flag, I said, ‘don’t you come out of there’.”

Despite Smith and Blixt taking a four-shot lead on Saturday, the Americans led for most of Sunday after recording birdies on their first eight holes.

The World No. 112 ranked Smith he hit his straps with seven birdies from the seventh hole.

Smith and Blixt shot a final round eight-under 64 while Kisner and Brown had a 60 and the two teams were four strokes clear of third-placed Americans Kevin Tway and Kelly Kraft (61).