The paltry innings set a record low for runs scored in the Hampshire Cricket League, surpassing the previous record of 11 set by Southampton Community in 2012.
Ellingham were set a revised target of 116 after their hosts had posted 120 in a rain-affected County Division One clash at Burnaby Road.
Opening batsmen and former Wales international footballer Andy Jones – who hit eight goals for Cherries during the 1990-91 season – went for nought and matters barely improved.
In fact, only three of Ellingham's batsmen managed to score a run, with the four runs earned from wides being the biggest contributor to the visitors' total.
Experienced Armed Forces XI representative swung bowler John Parker, pictured, enjoyed the spell of his life as he took six for one, while one-time Bashley footballer Fraser Quirke posted a remarkable four for six, with Ellingham bowled out inside 13 overs.
Pierson, who had stepped up from the seconds, admitted it had been a tough day at the office for Ellingham's batsmen.
Reflecting on a remarkable clash, he said: "After the first over of the US Portsmouth innings it started to rain and we carried on for about three overs before going off.
"Our opening bowlers couldn't grip the ball and there wasn't any swing or movement and the ball was skidding through nicely for the batsmen, and they got off to a fairly good start.
"As the pitch dried out through the innings, it got a lot harder to bat on and our second and third-team bowlers picked up the last five wickets for 10 runs.
"We knew 116 was going to be a big ask to chase down and both their opening bowlers were excellent.
"The guy who took six wickets (John Parker) swung it both ways at a good pace. Unfortunately, they didn't give us any freebies."
Despite the heavy defeat, which saw the final eight wickets fall for the gain of just two runs, Ellingham did earn five bowling points for their efforts.